Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
142601	通过线性组合求解	2d+e=8 d-e=4	$2 d + e = 8$ $d - e = 4$
142602	通过线性组合求解	3x+5y=-12x-5y=16	$3 x + 5 y = - 12 x - 5 y = 16$
142603	通过线性组合求解	8x+y=14 3x+y=4	$8 x + y = 14$ $3 x + y = 4$
142604	通过线性组合求解	a-2b=-22a+2b=14	$a - 2 b = - 22 a + 2 b = 14$
142605	求级数之和	4 , -12 , 36 , -108	$4$ , $- 12$ , $36$ , $- 108$
142606	求级数之和	4 , 20 , 100 , 500	$4$ , $20$ , $100$ , $500$
142607	求级数之和	5 , 10 , 15 , 20	$5$ , $10$ , $15$ , $20$
142608	求级数之和	3+15+75+375	$3 + 15 + 75 + 375$
142609	求顶点式	y=x^2+10x+20	$y = x^{2} + 10 x + 20$
142610	求上界和下界	f(x)=2x^4-9x^3+2x^2+9x-4	$f (x) = 2 x^{4} - 9 x^{3} + 2 x^{2} + 9 x - 4$
142611	求上界和下界	a(x)=2x^4-7x^3+x^2+7x-3	$a (x) = 2 x^{4} - 7 x^{3} + x^{2} + 7 x - 3$
142612	求上界和下界	f(x)=2x^3-3x^2-x+2	$f (x) = 2 x^{3} - 3 x^{2} - x + 2$
142613	求上界和下界	s(x)=4x^4+16x^3+11x^2-4x-3	$s (x) = 4 x^{4} + 16 x^{3} + 11 x^{2} - 4 x - 3$
142614	求上界和下界	t(x)=x^3-3x^2+16x-48	$t (x) = x^{3} - 3 x^{2} + 16 x - 48$
142615	求上界和下界	g(x)=x^3+2x^2-5x-10	$g (x) = x^{3} + 2 x^{2} - 5 x - 10$
142616	求上界和下界	G(x)=x^3-x^2-3x+3	$G (x) = x^{3} - x^{2} - 3 x + 3$
142617	求上界和下界	g(x)=x^4-6x^3+4x^2+24x-32	$g (x) = x^{4} - 6 x^{3} + 4 x^{2} + 24 x - 32$
142618	求上界和下界	f(x)=x^3-2x^2-6x+12	$f (x) = x^{3} - 2 x^{2} - 6 x + 12$
142619	求上界和下界	f(x)=x^3-2x^2-7x+14	$f (x) = x^{3} - 2 x^{2} - 7 x + 14$
142620	求级数之和	2 , 4 , 6 , 8 , 10	$2$ , $4$ , $6$ , $8$ , $10$
142621	求级数之和	2+4+6+8+10+12+14	$2 + 4 + 6 + 8 + 10 + 12 + 14$
142622	求级数之和	1+4+16+64+256+1024	$1 + 4 + 16 + 64 + 256 + 1024$
142623	求级数之和	1+4+9+16+25+36	$1 + 4 + 9 + 16 + 25 + 36$
142624	求级数之和	-1 , 5 , -25 , 125	$- 1$ , $5$ , $- 25$ , $125$
142625	求级数之和	1+1/2+1/4+1/8+1/16	$1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \frac{1}{16}$
142626	Solve Using a Matrix by Row Operations	x-3y-z=-9-x+8y-4z=242x-15y+7z=-45	$x - 3 y - z = - 9 - x + 8 y - 4 z = 242 x - 15 y + 7 z = - 45$
142627	求级数之和	1/3 , 1/9 , 1/27 , 1/81	$\frac{1}{3}$ , $\frac{1}{9}$ , $\frac{1}{27}$ , $\frac{1}{81}$
142628	求级数之和	2/3 , 3/4 , 4/5 , 5/6 , 6/7	$\frac{2}{3}$ , $\frac{3}{4}$ , $\frac{4}{5}$ , $\frac{5}{6}$ , $\frac{6}{7}$
142629	求函数的和	f(x)=2-9x , g(x)=-7x+9	$f (x) = 2 - 9 x$ , $g (x) = - 7 x + 9$
142630	求函数的和	f(x)=-3x^4-2x^3+3x^2g(x)=3x^4-4x^3+x^2	$f (x) = - 3 x^{4} - 2 x^{3} + 3 x^{2} g (x) = 3 x^{4} - 4 x^{3} + x^{2}$
142631	求函数的和	f(x)=3x-2 , g(x)=x^2+1	$f (x) = 3 x - 2$ , $g (x) = x^{2} + 1$
142632	Solve Using a Matrix by Row Operations	x+4y-z=4 , 2x+5y-8z=15 , x+3y-3z=1	$x + 4 y - z = 4$ , $2 x + 5 y - 8 z = 15$ , $x + 3 y - 3 z = 1$
142633	Solve Using a Matrix by Row Operations	2x+y+z=4 , 6y+5z=-33x , 5y-z=27	$2 x + y + z = 4$ , $6 y + 5 z = - 33 x$ , $5 y - z = 27$
142634	Solve Using a Matrix by Row Operations	2x+y+z=46y+5z=-33x*5y-z=27	$2 x + y + z = 46 y + 5 z = - 33 x \cdot 5 y - z = 27$
142635	Solve Using a Matrix by Row Operations	3x-4y-5z=-275x+2y-2z=115x-4y+4z=-7	$3 x - 4 y - 5 z = - 275 x + 2 y - 2 z = 115 x - 4 y + 4 z = - 7$
142636	Solve Using a Matrix by Row Operations	4x-y+3z=12x+4y+6z=-325x+3y+9z=20	$4 x - y + 3 z = 12 x + 4 y + 6 z = - 325 x + 3 y + 9 z = 20$
142637	Solve Using a Matrix by Row Operations	5x+6y-z=78x+5y+8z=116-5x+y+z=-29	$5 x + 6 y - z = 78 x + 5 y + 8 z = 116 - 5 x + y + z = - 29$
142638	转换为对数形式	e^-6=t	$e^{- 6} = t$
142639	转换为对数形式	5^(9x)=3.8	$5^{9 x} = 3.8$
142640	绘制线段图像	(-3,1) , (-2,-1) , (-1,-1) , (1,1) , (2,1) , (3,-1) , (4,-2)	$(- 3, 1)$ , $(- 2, - 1)$ , $(- 1, - 1)$ , $(1, 1)$ , $(2, 1)$ , $(3, - 1)$ , $(4, - 2)$
142641	求出平均变化率	f(x) = square root of 2x x_1=2 x_2=8	$f (x) = \sqrt{2 x}$ $x_{1} = 2$ $x_{2} = 8$
142642	求出平均变化率	f(x)=2^x+1 , x=0 , x=3	$f (x) = 2^{x} + 1$ , $x = 0$ , $x = 3$
142643	求出平均变化率	f(x)=x^2+2x+3 , [-4,6]	$f (x) = x^{2} + 2 x + 3$ , $[- 4, 6]$
142644	Third पद ज्ञात करें	d(1)=8d(n)=d(n-1)*(-5)	$d (1) = 8 d (n) = d (n - 1) \cdot (- 5)$
142645	Third पद ज्ञात करें	a_n=n^2-6	$a_{n} = n^{2} - 6$
142646	比较	2 , 的平方根 32 的平方根	$\sqrt{2}$ , $\sqrt{32}$
142647	比较	0.10 0.1	$0.1$ $0.1$
142648	求出度数	P(x)=-7(x+5)^2x^3(x-8)(x^2+5)	$P (x) = - 7 {(x + 5)}^{2} x^{3} (x - 8) (x^{2} + 5)$
142649	求出度数	g(x)=5(x-3)^2(x^2+7)	$g (x) = 5 {(x - 3)}^{2} (x^{2} + 7)$
142650	求出度数	f(x)=x^3-12x-16	$f (x) = x^{3} - 12 x - 16$
142651	求出度数	f(x)=x^4-4x^3-10x^2+20x+25	$f (x) = x^{4} - 4 x^{3} - 10 x^{2} + 20 x + 25$
142652	求出度数	f(x)=-x^5-10x+5	$f (x) = - x^{5} - 10 x + 5$
142653	求出度数	g(x)=3(x-4)^2(x^2+3)	$g (x) = 3 {(x - 4)}^{2} (x^{2} + 3)$
142654	求出度数	f(x)=6x^2-8+0.16x-8x^3	$f (x) = 6 x^{2} - 8 + 0.16 x - 8 x^{3}$
142655	求出度数	f(x)=6x^3-12x^5+20x-7x^4+1	$f (x) = 6 x^{3} - 12 x^{5} + 20 x - 7 x^{4} + 1$
142656	求出度数	f(x)=5x^3-14x^2+13x-4	$f (x) = 5 x^{3} - 14 x^{2} + 13 x - 4$
142657	求出度数	f(x)=4x^2-x^6+1-4x^5+10x^4	$f (x) = 4 x^{2} - x^{6} + 1 - 4 x^{5} + 10 x^{4}$
142658	求出度数	f(x)=3x^3-9x+x^4	$f (x) = 3 x^{3} - 9 x + x^{4}$
142659	求出度数	f(x)=2x^3-3x^2-12x+20	$f (x) = 2 x^{3} - 3 x^{2} - 12 x + 20$
142660	求出度数	f(x)=(x-1)^2(x-3)(x+4)	$f (x) = {(x - 1)}^{2} (x - 3) (x + 4)$
142661	求出度数	f(x)=(x-3)(x+4)^2(x-2)^5	$f (x) = (x - 3) {(x + 4)}^{2} {(x - 2)}^{5}$
142662	求出度数	f(x)=0.8x^7-5x^4-2x+ 5 的平方根	$f (x) = 0.8 x^{7} - 5 x^{4} - 2 x + \sqrt{5}$
142663	求出度数	f(x)=(x+3)(x-5)^3	$f (x) = (x + 3) {(x - 5)}^{3}$
142664	求出度数	f(x)=-1/2(x-2)(x+1)^2(x-1)	$f (x) = - \frac{1}{2} (x - 2) {(x + 1)}^{2} (x - 1)$
142665	Third पद ज्ञात करें	a_n=3n-4	$a_{n} = 3 n - 4$
142666	Third पद ज्ञात करें	a_n=216(1/6)^(n-1)	$a_{n} = 216 {(\frac{1}{6})}^{n - 1}$
142667	Third पद ज्ञात करें	a_n=1700-75n	$a_{n} = 1700 - 75 n$
142668	Third पद ज्ञात करें	a_n=3(2)^(n-1)	$a_{n} = 3 {(2)}^{n - 1}$
142669	Third पद ज्ञात करें	a_n=(-1)^n(13n-6)	$a_{n} = {(- 1)}^{n} (13 n - 6)$
142670	Third पद ज्ञात करें	a(n)=-3+(n-1)(-2.2)	$a (n) = - 3 + (n - 1) (- 2.2)$
142671	6th पद ज्ञात करें	7 , 35 , 175 , 875	$7$ , $35$ , $175$ , $875$
142672	6th पद ज्ञात करें	8 , 12 , 18 , 27	$8$ , $12$ , $18$ , $27$
142673	6th पद ज्ञात करें	7 , 10 , 13 , 16	$7$ , $10$ , $13$ , $16$
142674	6th पद ज्ञात करें	6 , 24 , 96 , 384	$6$ , $24$ , $96$ , $384$
142675	6th पद ज्ञात करें	6 , 24 , 96 , 384 , 1536	$6$ , $24$ , $96$ , $384$ , $1536$
142676	6th पद ज्ञात करें	6 , -3 , 3/2 , -3/4	$6$ , $- 3$ , $\frac{3}{2}$ , $- \frac{3}{4}$
142677	6th पद ज्ञात करें	-62 , -47 , -32 , -17 , -2	$- 62$ , $- 47$ , $- 32$ , $- 17$ , $- 2$
142678	7th पद ज्ञात करें	10 , 30 , 90 , 270 , 810 , 2430	$10$ , $30$ , $90$ , $270$ , $810$ , $2430$
142679	7th पद ज्ञात करें	10 , 40 , 160 , 640 , 2560 , 10240	$10$ , $40$ , $160$ , $640$ , $2560$ , $10240$
142680	7th पद ज्ञात करें	1 , 3 , 9 , 27 , ...	$1$ , $3$ , $9$ , $27$ , $\dots$
142681	6th पद ज्ञात करें	6 , -12 , 24 , -48	$6$ , $- 12$ , $24$ , $- 48$
142682	6th पद ज्ञात करें	40 , 20 , 10 , 5	$40$ , $20$ , $10$ , $5$
142683	6th पद ज्ञात करें	4 , 16 , 64 , 256	$4$ , $16$ , $64$ , $256$
142684	6th पद ज्ञात करें	4 , 6 , 9 , 27/2	$4$ , $6$ , $9$ , $\frac{27}{2}$
142685	7th पद ज्ञात करें	4 , 12 , 36 , 108 , ...	$4$ , $12$ , $36$ , $108$ , $\dots$
142686	7th पद ज्ञात करें	3 , 7 , 11 , 15 , 19	$3$ , $7$ , $11$ , $15$ , $19$
142687	7th पद ज्ञात करें	2 , 5 , 11 , 20 , 32 , 47	$2$ , $5$ , $11$ , $20$ , $32$ , $47$
142688	7th पद ज्ञात करें	2 , 6 , 18 , 54 , ...	$2$ , $6$ , $18$ , $54$ , $\dots$
142689	7th पद ज्ञात करें	-2 , -6 , -18 , -54 , -162	$- 2$ , $- 6$ , $- 18$ , $- 54$ , $- 162$
142690	7th पद ज्ञात करें	-48 , 12 , -3 , 3/4 , -3/16	$- 48$ , $12$ , $- 3$ , $\frac{3}{4}$ , $- \frac{3}{16}$
142691	7th पद ज्ञात करें	5 , 10 , 20 , 40 , 80 , 160	$5$ , $10$ , $20$ , $40$ , $80$ , $160$
142692	7th पद ज्ञात करें	-62 , -54 , -46 , -38 , -30	$- 62$ , $- 54$ , $- 46$ , $- 38$ , $- 30$
142693	7th पद ज्ञात करें	4 , 8 , 12 , 16 , 20 , 24	$4$ , $8$ , $12$ , $16$ , $20$ , $24$
142694	9th पद ज्ञात करें	5 , 15 , 45 , 135 , 405 , 1215 , 3645 , 10935	$5$ , $15$ , $45$ , $135$ , $405$ , $1215$ , $3645$ , $10935$
142695	8th पद ज्ञात करें	6 , 18 , 54 , 162 , 486 , 1458 , 4374	$6$ , $18$ , $54$ , $162$ , $486$ , $1458$ , $4374$
142696	8th पद ज्ञात करें	-8 , 24 , -72 , 216 , -648 , 1944	$- 8$ , $24$ , $- 72$ , $216$ , $- 648$ , $1944$
142697	8th पद ज्ञात करें	5 , 15 , 45 , 135 , 405 , 1215	$5$ , $15$ , $45$ , $135$ , $405$ , $1215$
142698	9th पद ज्ञात करें	10 , 40 , 160 , 640 , 2560 , 10240 , 40960 , 163840	$10$ , $40$ , $160$ , $640$ , $2560$ , $10240$ , $40960$ , $163840$
142699	9th पद ज्ञात करें	2 , 10 , 50 , 250 , 1250 , 6250 , 31250 , 156250	$2$ , $10$ , $50$ , $250$ , $1250$ , $6250$ , $31250$ , $156250$
142700	9th पद ज्ञात करें	2 , 8 , 32 , 128 , 512 , 2048 , 8192 , 32768	$2$ , $8$ , $32$ , $128$ , $512$ , $2048$ , $8192$ , $32768$