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Where-is-YOZIA-since-this-days-is-being-long-i-saw-his-chat-here-

Question Number 9838 by tawakalitu last updated on 06/Jan/17 $$\mathrm{Where}\:\mathrm{is}\:\mathrm{YOZIA}\:\mathrm{since}\:\mathrm{this}\:\mathrm{days}. \\ $$$$\mathrm{is}\:\mathrm{being}\:\mathrm{long}\:\mathrm{i}\:\mathrm{saw}\:\mathrm{his}\:\mathrm{chat}\:\mathrm{here}. \\ $$ Commented by FilupSmith last updated on 07/Jan/17 $$\mathrm{I}\:\mathrm{like}\:\mathrm{a}\:\mathrm{lot}\:\mathrm{of}\:\mathrm{members}\:\mathrm{jave}\:\mathrm{moved}\:\mathrm{on}. \\ $$$$\mathrm{I}'\mathrm{ve}\:\mathrm{been}\:\mathrm{here}\:\mathrm{for}\:\mathrm{a}\:\mathrm{year}\:\mathrm{or}\:\mathrm{two}\:\mathrm{and}\:\mathrm{sadly} \\…

i-need-the-sol-plz-expansion-the-maclaurin-series-f-z-z-z-4-9-z-9-1-1-z-4-9-

Question Number 75366 by arkanmath7@gmail.com last updated on 10/Dec/19 $${i}\:{need}\:{the}\:{sol}\:{plz} \\ $$$${expansion}\:{the}\:{maclaurin}\:{series} \\ $$$${f}\left({z}\right)=\frac{{z}}{{z}^{\mathrm{4}} \:+\:\mathrm{9}}\:=\:\frac{{z}}{\mathrm{9}}\:×\frac{\mathrm{1}}{\mathrm{1}+\frac{{z}^{\mathrm{4}} }{\mathrm{9}}}\: \\ $$ Answered by Smail last updated on 10/Dec/19…

Question-140888

Question Number 140888 by Ahmed1hamouda last updated on 13/May/21 Answered by physicstutes last updated on 14/May/21 $$\left(\mathrm{i}\right)\:\mathrm{let}\:{M}\:=\:\begin{bmatrix}{\mathrm{1}}&{\mathrm{2}}&{−\mathrm{3}}\\{\mathrm{3}}&{−\mathrm{1}}&{\mathrm{5}}\\{\mathrm{4}}&{\mathrm{1}}&{{a}^{\mathrm{2}} −\mathrm{14}}\end{bmatrix} \\ $$$$\mathrm{for}\:\mathrm{no}\:\mathrm{solutions}\:,\:\mid{M}\mid\:=\:\mathrm{0} \\ $$$$\mathrm{thus}\:\:\:\begin{vmatrix}{\mathrm{1}}&{\mathrm{2}}&{−\mathrm{3}}\\{\mathrm{3}}&{−\mathrm{1}}&{\mathrm{5}}\\{\mathrm{4}}&{\mathrm{1}}&{{a}^{\mathrm{2}} −\mathrm{14}}\end{vmatrix}=\:\mathrm{0}\:\:\Rightarrow\:\mathrm{1}\begin{vmatrix}{−\mathrm{1}}&{\mathrm{5}}\\{\mathrm{1}}&{{a}^{\mathrm{2}} −\mathrm{14}}\end{vmatrix}−\mathrm{2}\begin{vmatrix}{\mathrm{3}}&{\mathrm{5}}\\{\mathrm{4}}&{{a}^{\mathrm{2}} −\mathrm{14}}\end{vmatrix}−\mathrm{3}\begin{vmatrix}{\mathrm{3}}&{−\mathrm{1}}\\{\mathrm{4}}&{\mathrm{1}}\end{vmatrix}=\mathrm{0}…

A-water-flows-from-a-tap-into-an-empty-cylindrical-jar-at-rate-of-23211cm-3-per-secons-At-what-time-will-the-tap-fill-the-cylinder-with-volume-of-6011cm-3-

Question Number 75339 by otchereabdullai@gmail.com last updated on 10/Dec/19 $$\mathrm{A}\:\mathrm{water}\:\mathrm{flows}\:\mathrm{from}\:\mathrm{a}\:\mathrm{tap}\:\mathrm{into}\:\mathrm{an}\:\mathrm{empty} \\ $$$$\mathrm{cylindrical}\:\mathrm{jar}\:\mathrm{at}\:\mathrm{rate}\:\mathrm{of}\:\:\mathrm{23211cm}^{\mathrm{3}} \:\mathrm{per} \\ $$$$\mathrm{secons}.\:\mathrm{At}\:\mathrm{what}\:\mathrm{time}\:\mathrm{will}\:\mathrm{the}\:\mathrm{tap}\:\mathrm{fill}\: \\ $$$$\mathrm{the}\:\mathrm{cylinder}\:\mathrm{with}\:\mathrm{volume}\:\mathrm{of}\:\mathrm{6011cm}^{\mathrm{3}} . \\ $$ Commented by MJS last updated…

The-wall-of-mr-nelsons-bathroom-is-covered-with-1200-square-tiles-eah-of-length-24cm-How-many-square-tiles-of-sides-length-24cm-would-be-needed-to-cover-the-same-wall-

Question Number 75338 by otchereabdullai@gmail.com last updated on 10/Dec/19 $$\mathrm{The}\:\mathrm{wall}\:\mathrm{of}\:\mathrm{mr}\:\mathrm{nelsons}\:\mathrm{bathroom}\:\mathrm{is} \\ $$$$\mathrm{covered}\:\mathrm{with}\:\mathrm{1200}\:\mathrm{square}\:\mathrm{tiles}\:\mathrm{eah}\:\mathrm{of}\: \\ $$$$\mathrm{length}\:\mathrm{24cm}.\:\mathrm{How}\:\mathrm{many}\:\mathrm{square}\:\mathrm{tiles}\: \\ $$$$\mathrm{of}\:\mathrm{sides}\:\mathrm{length}\:\mathrm{24cm}\:\mathrm{would}\:\mathrm{be}\:\mathrm{needed}\:\mathrm{to}\: \\ $$$$\mathrm{cover}\:\mathrm{the}\:\mathrm{same}\:\mathrm{wall}. \\ $$ Commented by MJS last updated…

the-velocities-of-air-particles-above-and-below-the-wing-of-an-aircraft-speeding-down-the-runway-at-a-given-instant-are-210m-s-and-200m-s-respectively-If-the-density-of-air-is-1-2kg-m-3-what-is-

Question Number 140869 by jlewis last updated on 13/May/21 $${the}\:\mathrm{velocities}\:\mathrm{of}\:\mathrm{air}\:\mathrm{particles}\: \\ $$$$\mathrm{above}\:\mathrm{and}\:\mathrm{below}\:\mathrm{the}\:\mathrm{wing}\:\mathrm{of}\:\mathrm{an}\:\mathrm{aircraft} \\ $$$$\:\mathrm{speeding}\:\mathrm{down}\:\mathrm{the}\:\mathrm{runway}\:\mathrm{at}\:\mathrm{a} \\ $$$$\:\mathrm{given}\:\mathrm{instant} \\ $$$$\mathrm{are}\:\mathrm{210m}/\mathrm{s}\:\mathrm{and}\:\mathrm{200m}/\mathrm{s}\: \\ $$$$\mathrm{respectively}.\mathrm{If}\:\mathrm{the}\:\mathrm{density}\:\mathrm{of}\:\mathrm{air}\:\mathrm{is}\: \\ $$$$\mathrm{1}.\mathrm{2kg}/\mathrm{m}^{\mathrm{3}} ,\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{pressure} \\ $$$$\:\mathrm{difference}\:\mathrm{between}\:\mathrm{the}\:\mathrm{upper}\:\mathrm{and}…

If-one-zero-of-the-quadratic-polynomial-x-2-7x-k-is-2-then-find-the-value-of-k-

Question Number 9792 by Basant007 last updated on 04/Jan/17 $$\mathrm{If}\:\mathrm{one}\:\mathrm{zero}\:\mathrm{of}\:\mathrm{the}\:\mathrm{quadratic}\:\mathrm{polynomial} \\ $$$$\mathrm{x}^{\mathrm{2}} +\mathrm{7x}\:+\mathrm{k}\:\mathrm{is}\:\mathrm{2}\:\mathrm{then}\:\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\:\mathrm{k} \\ $$ Answered by RasheedSoomro last updated on 05/Jan/17 $$\mathrm{If}\:\mathrm{one}\:\mathrm{zero}\:\mathrm{of}\:\mathrm{the}\:\mathrm{quadratic}\:\mathrm{polynomial} \\ $$$$\mathrm{x}^{\mathrm{2}}…

Find-the-image-of-the-line-x-2-1-y-3-2-z-4-3-in-the-plane-2x-3y-4z-3-0-

Question Number 75317 by vishalbhardwaj last updated on 10/Dec/19 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{image}\:\mathrm{of}\:\mathrm{the}\:\mathrm{line}\: \\ $$$$\frac{{x}−\mathrm{2}}{−\mathrm{1}}\:=\:\frac{\mathrm{y}−\mathrm{3}}{\mathrm{2}}\:=\:\frac{\mathrm{z}−\mathrm{4}}{\mathrm{3}}\:\:\:\mathrm{in}\:\mathrm{the}\:\mathrm{plane}\: \\ $$$$\mathrm{2}{x}+\mathrm{3}{y}−\mathrm{4}{z}\:+\mathrm{3}=\mathrm{0}. \\ $$ Commented by vishalbhardwaj last updated on 10/Dec/19 $$\mathrm{yes}\:\mathrm{sir},\:\mathrm{I}\:\mathrm{corrected}\:\mathrm{it} \\…

If-is-eleminated-from-the-equation-x-a-cos-and-y-b-cos-then-prove-that-x-2-a-2-y-2-b-2-2xy-ab-cos-sin-2-

Question Number 75302 by vishalbhardwaj last updated on 09/Dec/19 $$\mathrm{If}\:\theta\:\mathrm{is}\:\mathrm{eleminated}\:\mathrm{from}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{x}\:=\: \\ $$$${a}\:{cos}\left(\theta−\alpha\right)\:\mathrm{and}\:{y}\:=\:{b}\:{cos}\left(\theta−\beta\right)\:\mathrm{then} \\ $$$$\mathrm{prove}\:\mathrm{that}\:\frac{{x}^{\mathrm{2}} }{{a}^{\mathrm{2}} }\:+\:\frac{{y}^{\mathrm{2}} }{{b}^{\mathrm{2}} }\:−\:\frac{\mathrm{2}{xy}}{{ab}}\:{cos}\left(\alpha−\beta\right)\:=\:{sin}^{\mathrm{2}} \left(\alpha−\beta\right)\:? \\ $$ Commented by vishalbhardwaj last…