Question Number 159345 by akolade last updated on 15/Nov/21 Answered by Ar Brandon last updated on 15/Nov/21 $$\mathrm{5}^{\frac{\mathrm{y}}{\mathrm{2}}+\mathrm{3}} =\mathrm{125}\left(\mathrm{5}^{\frac{\mathrm{y}}{\mathrm{2}}} \right)=\mathrm{125}\left(\mathrm{5}^{\mathrm{y}} \right)^{\frac{\mathrm{1}}{\mathrm{2}}} \\ $$$$=\mathrm{125}\left(\mathrm{36}\right)^{\frac{\mathrm{1}}{\mathrm{2}}} =\mathrm{125}×\mathrm{6}=\mathrm{750} \\…
Question Number 159338 by zakirullah last updated on 15/Nov/21 $${define}\:{increasing} \\ $$$${and}\:{decreasing}\:{function}\:{with}\:{example}? \\ $$ Answered by physicstutes last updated on 15/Nov/21 $$\boldsymbol{\mathrm{increasing}}\:\boldsymbol{\mathrm{function}} \\ $$$$\mathrm{Let}\:{f}\left({x}\right)\:\mathrm{be}\:\mathrm{a}\:\mathrm{function}.\:\mathrm{Then} \\…
Question Number 159330 by bounhome last updated on 15/Nov/21 $${how}\:{to}\:{think}\:{from}\: \\ $$$$\mathrm{1}+\mathrm{2}+\mathrm{3}+…+{n}=\frac{{n}\left({n}+\mathrm{1}\right)}{\mathrm{2}} \\ $$$$\mathrm{1}^{\mathrm{2}} +\mathrm{2}^{\mathrm{2}} +\mathrm{3}^{\mathrm{2}} +…+{n}^{\mathrm{2}} =\frac{{n}\left({n}+\mathrm{1}\right)\left(\mathrm{2}{n}+\mathrm{1}\right)}{\mathrm{6}} \\ $$$$\mathrm{1}^{\mathrm{3}} +\mathrm{2}^{\mathrm{3}} +\mathrm{3}^{\mathrm{3}} +…+{n}^{\mathrm{3}} =\left(\frac{{n}\left({n}+\mathrm{1}\right)}{\mathrm{2}}\right)^{\mathrm{2}} \\…
Question Number 159327 by SANOGO last updated on 15/Nov/21 Answered by Derrick last updated on 16/Nov/21 $$\left.\mathrm{1}\right){montrons}\:{que}\:{f}\:{est}\:{lineaire} \\ $$$${soient}\:{X}=\left({x}.{y}.{z}\right)\:{et}\:{Y}=\left({x}'.{y}'.{z}'\right) \\ $$$${on}\:{a}: \\ $$$${f}\left({X}+{Y}\right)=\left[\left({x}+{x}'\right)+\mathrm{2}\left({y}+{y}'\right)+\mathrm{3}\left({z}+{z}'\right);\mathrm{2}\left({x}+{x}'\right)+\left({y}+{y}'\right)+\mathrm{3}\left({z}+{z}'\right);−\left({x}+{x}'\right)−\left({y}+{y}'\right)−\left({z}+{z}'\right)\right] \\ $$$$=\left[{x}+\mathrm{2}{y}+\mathrm{3}{z};\mathrm{2}{x}+{y}+\mathrm{3}{z};−{x}−{y}−{z}\right]+\left[{x}'+\mathrm{2}{y}'+\mathrm{3}{z}';\mathrm{2}{x}'+{y}'+\mathrm{3}{z}';−{x}'−{y}'−{z}'\right]…
Question Number 28248 by mondodotto@gmail.com last updated on 22/Jan/18 Answered by mrW2 last updated on 22/Jan/18 $$\mathrm{3}×\frac{{n}\left({n}−\mathrm{1}\right)\left({n}−\mathrm{2}\right)}{\mathrm{6}}=\mathrm{7}×\frac{{n}\left({n}−\mathrm{1}\right)}{\mathrm{2}} \\ $$$${n}−\mathrm{2}=\mathrm{7} \\ $$$$\Rightarrow{n}=\mathrm{9} \\ $$$$ \\ $$$${check}:…
Question Number 28202 by naka3546 last updated on 21/Jan/18 Commented by naka3546 last updated on 21/Jan/18 $${If}\:\:{area}\:{the}\:{smallest}\:{square}\:{is}\:\mathrm{1}\:{cm}^{\mathrm{2}} \:. \\ $$$${find}\:{the}\:{area}\:{of}\:{red}\:{region}\:.\: \\ $$$$ \\ $$ Answered…
Question Number 93733 by liki last updated on 14/May/20 Commented by liki last updated on 14/May/20 $$..\mathrm{please}\:\mathrm{help}\:\mathrm{qn}\:\mathrm{no}\:\mathrm{6a},\mathrm{b},\mathrm{c} \\ $$ Commented by Rio Michael last updated…
Question Number 93727 by M±th+et+s last updated on 14/May/20 $${what}\:{is}\:{saw}\:{function}? \\ $$ Commented by mr W last updated on 14/May/20 Commented by M±th+et+s last updated…
Question Number 159248 by zakirullah last updated on 14/Nov/21 $${find}\:{the}\:{angle}\:{of}\:{intersection}\:{between} \\ $$$${the}\:{followng}\:{curves}: \\ $$$${y}^{\mathrm{2}} \:=\:{ax},\:{x}^{\mathrm{3}} +{y}^{\mathrm{3}} \:=\:\mathrm{3}{axy} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 159240 by mkam last updated on 14/Nov/21 Commented by mkam last updated on 14/Nov/21 $$??????????? \\ $$ Commented by mkam last updated on…