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Author: Tinku Tara

Find-the-angle-between-y-2-8x-and-x-2-y-2-16-at-their-point-of-intersection-for-which-y-is-positive-

Question Number 130294 by bramlexs22 last updated on 24/Jan/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{angle}\:\mathrm{between}\:\mathrm{y}^{\mathrm{2}} =\mathrm{8x}\: \\ $$$$\mathrm{and}\:\mathrm{x}^{\mathrm{2}} +\mathrm{y}^{\mathrm{2}} =\mathrm{16}\:\mathrm{at}\:\mathrm{their}\:\mathrm{point}\:\mathrm{of} \\ $$$$\mathrm{intersection}\:\mathrm{for}\:\mathrm{which}\:\mathrm{y}\:\mathrm{is}\:\mathrm{positive} \\ $$ Answered by benjo_mathlover last updated on…

Solve-x-4-5x-3-4x-2-7x-1-0-

Question Number 64758 by Tawa1 last updated on 21/Jul/19 $$\mathrm{Solve}:\:\:\:\:\:\mathrm{x}^{\mathrm{4}} \:+\:\mathrm{5x}^{\mathrm{3}} \:−\:\mathrm{4x}^{\mathrm{2}} \:+\:\mathrm{7x}\:−\:\mathrm{1}\:\:=\:\:\mathrm{0} \\ $$ Answered by ajfour last updated on 21/Jul/19 $${x}={t}−\frac{\mathrm{5}}{\mathrm{4}} \\ $$$${say}\:\:{we}\:{then}\:{get}…

i-0-j-0-k-0-1-3-i-j-k-where-i-j-k-

Question Number 130290 by bramlexs22 last updated on 24/Jan/21 $$\:\underset{\mathrm{i}=\mathrm{0}} {\overset{\infty} {\sum}}\underset{\mathrm{j}=\mathrm{0}} {\overset{\infty} {\sum}}\underset{\mathrm{k}=\mathrm{0}} {\overset{\infty} {\sum}}\:\frac{\mathrm{1}}{\mathrm{3}^{\mathrm{i}+\mathrm{j}+\mathrm{k}} }\:?\:\mathrm{where}\:\mathrm{i}\neq\mathrm{j}\neq\mathrm{k} \\ $$ Answered by EDWIN88 last updated on…

Find-the-force-parallel-to-the-slope-required-to-move-a-body-of-mass-2kg-up-a-slope-inclined-at-30-to-the-horizontal-with-an-acceleration-oc-2m-s-2-if-the-frictional-force-is-10N-

Question Number 64751 by necx1 last updated on 21/Jul/19 $${Find}\:{the}\:{force}\:{parallel}\:{to}\:{the}\:{slope} \\ $$$${required}\:{to}\:{move}\:{a}\:{body}\:{of}\:{mass}\:\mathrm{2}{kg} \\ $$$${up}\:{a}\:{slope}\:{inclined}\:{at}\:\mathrm{30}°\:{to}\:{the} \\ $$$${horizontal}\:{with}\:{an}\:{acceleration}\:{oc}\:\mathrm{2}{m}/{s}^{\mathrm{2}} \\ $$$${if}\:{the}\:{frictional}\:{force}\:{is}\:\mathrm{10}{N}. \\ $$ Commented by necx1 last updated…

x-x-4-1-dx-

Question Number 130287 by naka3546 last updated on 24/Jan/21 $$\int\:\frac{{x}}{{x}^{\mathrm{4}} +\mathrm{1}}\:{dx}\:\:=\:\:? \\ $$ Answered by mathmax by abdo last updated on 24/Jan/21 $$\mathrm{I}\:=\int\:\:\frac{\mathrm{xdx}}{\mathrm{x}^{\mathrm{4}} \:+\mathrm{1}}\:\mathrm{let}\:\mathrm{decompose}\:\mathrm{F}\left(\mathrm{x}\right)=\frac{\mathrm{x}}{\mathrm{x}^{\mathrm{4}} \:+\mathrm{1}}\:\Rightarrow…

A-body-of-mass-4kg-is-at-the-point-of-slipping-down-a-plane-which-is-inclined-at-30-to-the-horizontal-What-is-the-force-parallel-to-the-plane-that-will-just-move-it-up-

Question Number 64750 by necx1 last updated on 21/Jul/19 $${A}\:{body}\:{of}\:{mass}\:\mathrm{4}{kg}\:{is}\:{at}\:{the}\:{point}\:{of} \\ $$$${slipping}\:{down}\:{a}\:{plane}\:{which}\:{is} \\ $$$${inclined}\:{at}\:\mathrm{30}°\:{to}\:{the}\:{horizontal}.{What} \\ $$$${is}\:{the}\:{force}\:{parallel}\:{to}\:{the}\:{plane}\:{that} \\ $$$${will}\:{just}\:{move}\:{it}\:{up}? \\ $$ Terms of Service Privacy Policy…

Question-130285

Question Number 130285 by Lordose last updated on 23/Jan/21 Answered by Olaf last updated on 24/Jan/21 $$\Omega\:=\:\int_{\mathrm{2}} ^{\mathrm{6}} \underset{{k}=\mathrm{1}} {\overset{\mathrm{9}} {\prod}}\left({x}−{k}\right){dx} \\ $$$$\mathrm{Let}\:{u}\:=\:{x}−\mathrm{5} \\ $$$$\Omega\:=\:\int_{−\mathrm{3}}…