Algebra – Page 574

Question-95440

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Question Number 95440 by I want to learn more last updated on 25/May/20 Answered by mr W last updated on 25/May/20 Commented by mr W…

1-1-sinx-dx-

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Question Number 29885 by sinx last updated on 13/Feb/18 $\int \frac{1}{1 + \sin x} d x = ?$ Commented by MJS last updated on 14/Feb/18 $= \tan x - \frac{1}{\cos x}$ $\dots sorry, {can}^{'} t show the way \dots$ Commented…

It-takes-12-hours-to-fill-a-swimming-pool-using-2-pipes-If-the-larger-pipe-used-for-4-hours-and-the-small-pipe-for-9-hours-only-half-the-pool-is-filled-How-long-would-it-take-for-each-pipe-al

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Question Number 95416 by john santu last updated on 25/May/20 $It takes 12 hours to fill a swimming$ $pool using 2 pipes . If the larger$ $pipe used, for 4 hours and the$ $small pipe for 9 hours, only half$ $the pool is filled . How long would$ $it take for each pipe alone to$ $fill the pool ?$ …

Question-160950

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Question Number 160950 by geron last updated on 09/Dec/21 Answered by mindispower last updated on 09/Dec/21 $y = \frac{2 x}{1 - x^{2}}, x = \frac{2 z}{1 - z^{2}}, z = \frac{2 y}{1 - y^{2}}$ $j u s t x = t g (a), y = t g (b), z = t g (c)$ $${withe}\:{tg}\left(\mathrm{2}{t}\right)=\frac{\mathrm{2}{tg}\left({t}\right)}{\mathrm{1}−{tg}^{\mathrm{2}} \left({t}\right)}…

Solve-x-y-3-i-x-y-y-x-6-ii-

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Question Number 95394 by I want to learn more last updated on 24/May/20 $Solve : x + y = 3 \dots . (i)$ $x^{y} + y^{x} = 6 \dots . . (ii)$ Commented by mr W last…

Find-1-21-dx-e-2x-1-4-GIF-

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Question Number 160921 by HongKing last updated on 09/Dec/21 $Find :$ $Ω = \underset{1}{\int^{21}} \frac{dx}{e^{[2 x + \frac{1}{4}]}}; [*] - GIF$ Terms of Service Privacy Policy Contact: info@tinkutara.com

x-y-2021-z-x-z-2021-y-y-z-2021-x-x-y-z-

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Question Number 160923 by cortano last updated on 09/Dec/21 ${\begin{cases} {(x + y)}^{2021} = z \\ {(x + z)}^{2021} = y \\ {(y + z)}^{2021} = x \end{cases}$ $(x, y, z) = \dots$ Commented by Rasheed.Sindhi last updated on 09/Dec/21 $$\:\left(\mathrm{x},\mathrm{y},\mathrm{z}\right)=\left(\mathrm{0},\mathrm{0},\mathrm{0}\right)…

monter-que-3-5-n-3-5-n-est-divisible-par-2-n-beson-d-aide-svp-

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Question Number 160922 by KONE last updated on 09/Dec/21 $m o n t e r q u e {(3 + \sqrt{5})}^{n} + {(3 - \sqrt{5})}^{n}$ $e s t d i v i s i b l e p a r 2^{n}$ $b e s o n d^{'} a i d e s v p$ Answered by mindispower last updated on 09/Dec/21 $${Starte}\:{withe}…

Question-160910

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Question Number 160910 by geron last updated on 09/Dec/21 Answered by blackmamba last updated on 09/Dec/21 $\sqrt[3]{a^{2}} + \sqrt[3]{b^{2}} + 1 + 2 \sqrt[3]{a b} - 2 \sqrt[3]{a} - 2 \sqrt[3]{b} = 49 + 20 \sqrt[3]{6}$ Commented by…

let-give-T-n-x-cos-n-arcosx-with-x-1-1-1-prove-that-T-n-is-a-polynomial-and-T-n-Z-x-2-calculate-T-1-T-2-T-3-and-T-4-3-prove-that-T-n-2-x-2x-T-n-1-x-T-n-x-4-find-the-roots-o

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Question Number 29837 by abdo imad last updated on 12/Feb/18 $l e t g i v e T_{n} (x) = c o s (n a r c o s x) w i t h x \in [- 1, 1]$ $1) p r o v e t h a t T_{n} i s a p o l y n o m i a l a n d T_{n} \in Z [x]$ $2) c a l c u l a t e T_{1}, T_{2}, T_{3}, a n d T_{4}$ $$\left.\mathrm{3}\right)\:{prove}\:{that}\:{T}_{{n}+\mathrm{2}} \left({x}\right)=\mathrm{2}{x}\:{T}_{{n}+\mathrm{1}} \left({x}\right)−{T}_{{n}}…

Category: Algebra