Question Number 81104 by jagoll last updated on 09/Feb/20 $$\left(\bar {{a}}\:×\bar {{b}}\:\right).\bar {{c}}\:=\:\left({a}×{c}\right)\:.\:\left({b}×{c}\right).\:{it}\:{right}? \\ $$ Commented by mr W last updated on 09/Feb/20 $${yes}.\:{an}\:{example}\:{for}\:{its}\:{application} \\…
Question Number 81007 by M±th+et£s last updated on 08/Feb/20 $${if}\:\:\:{t}_{{m}} +{t}_{{n}} \:{and}\:{t}_{{m}} −{t}_{{n}} \:{is}\:{triangular} \\ $$$${number}\:{find}\:{the}\:{value}\:{of}\:{m}+{n} \\ $$ Commented by MJS last updated on 08/Feb/20…
Question Number 15448 by Tinkutara last updated on 10/Jun/17 $$\mathrm{A}\:\mathrm{vector}\:\overset{\rightarrow} {{A}}\:\mathrm{of}\:\mathrm{magnitude}\:{A}\:\mathrm{is}\:\mathrm{turned} \\ $$$$\mathrm{through}\:\mathrm{an}\:\mathrm{angle}\:\theta.\:\mathrm{Calculate}\:\mathrm{the} \\ $$$$\mathrm{change}\:\mathrm{in}\:\mathrm{the}\:\mathrm{magnitude}\:\mathrm{of}\:\mathrm{vector}. \\ $$ Commented by prakash jain last updated on 10/Jun/17…
Question Number 146472 by nadovic last updated on 13/Jul/21 Commented by nadovic last updated on 13/Jul/21 $${OK} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 146444 by nadovic last updated on 13/Jul/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 15358 by Tinkutara last updated on 09/Jun/17 $$\mathrm{If}\:\overset{\rightarrow} {{a}},\:\overset{\rightarrow} {{b}},\:\overset{\rightarrow} {{c}}\:\mathrm{are}\:\mathrm{mutually}\:\mathrm{perpendicular} \\ $$$$\mathrm{vectors}\:\mathrm{of}\:\mathrm{equal}\:\mathrm{magnitudes},\:\mathrm{show}\:\mathrm{that} \\ $$$$\mathrm{the}\:\mathrm{vector}\:\overset{\rightarrow} {{a}}\:+\:\overset{\rightarrow} {{b}}\:+\:\overset{\rightarrow} {{c}}\:\mathrm{is}\:\mathrm{equally}\:\mathrm{inclined} \\ $$$$\mathrm{to}\:\overset{\rightarrow} {{a}},\:\overset{\rightarrow} {{b}}\:\mathrm{and}\:\overset{\rightarrow} {{c}}\:.…
Question Number 146420 by ajfour last updated on 13/Jul/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 15352 by Tinkutara last updated on 09/Jun/17 $$\mathrm{Let}\:\overset{\rightarrow} {{a}}\:=\:\overset{\wedge} {{i}}\:+\:\mathrm{4}\overset{\wedge} {{j}}\:+\:\mathrm{2}\overset{\wedge} {{k}},\:\overset{\rightarrow} {{b}}\:=\:\mathrm{3}\overset{\wedge} {{i}}\:−\:\mathrm{2}\overset{\wedge} {{j}}\:+\:\mathrm{7}\overset{\wedge} {{k}} \\ $$$$\mathrm{and}\:\overset{\rightarrow} {{c}}\:=\:\mathrm{2}\overset{\wedge} {{i}}\:−\:\overset{\wedge} {{j}}\:+\:\mathrm{4}\overset{\wedge} {{k}}\:.\:\mathrm{Find}\:\mathrm{a}\:\mathrm{vector}\:\overset{\rightarrow} {{d}}…
Question Number 15348 by tawa tawa last updated on 09/Jun/17 $$\mathrm{Solve}\:\mathrm{the}\:\mathrm{equation}\:\:\mathrm{z}^{\mathrm{2}} \:+\:\mathrm{2}\left(\mathrm{1}\:+\:\mathrm{j}\right)\mathrm{z}\:+\:\mathrm{2}\:=\:\mathrm{0},\:\mathrm{Givin}\:\mathrm{each}\:\mathrm{result}\:\mathrm{in}\:\mathrm{form}\:\:\mathrm{a}\:+\:\mathrm{jb} \\ $$$$\mathrm{with}\:\:\mathrm{a}\:\:\mathrm{and}\:\:\mathrm{b}\:\:\mathrm{correct}\:\mathrm{to}\:\:\mathrm{2dp}. \\ $$ Answered by RasheedSoomro last updated on 10/Jun/17 $$\mathrm{Let}\:\mathrm{z}=\mathrm{x}+\mathrm{jy} \\…
Question Number 146403 by gsk2684 last updated on 13/Jul/21 $${let}\:{f}\left({x},{y}\right)=\frac{{x}^{\mathrm{5}} {y}^{\mathrm{2}} }{\mathrm{10}}\:{then}\:{find}\: \\ $$$${D}_{{u}} {f}\left(−\mathrm{5},−\mathrm{3}\right)\:{in}\:{the}\:{direction}\:{of}\: \\ $$$${the}\:{vector}\:<\mathrm{0},−\mathrm{2}>? \\ $$ Commented by gsk2684 last updated on…