Question Number 71147 by mr W last updated on 12/Oct/19 Commented by mr W last updated on 12/Oct/19 $${find}\:{f}\left(\mathrm{5}\right)=? \\ $$ Answered by MJS last…
Question Number 5603 by sanusihammed last updated on 22/May/16 $${Prove}\:{the}\:{identity} \\ $$$$ \\ $$$${log}_{\frac{{a}}{{b}}} {x}\:\:=\:\:\frac{{log}_{{a}} {x}\:{log}_{{b}} {x}}{{log}_{{b}} {x}\:−\:{log}_{{a}} {x}} \\ $$$$ \\ $$$${From}\:{the}\:{Right}\:{hand}\:{side}\: \\ $$$$…
Question Number 5597 by Rasheed Soomro last updated on 21/May/16 $$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{degree}\:\mathrm{of}\:\mathrm{x}^{\mathrm{2}} +\mathrm{2}^{\mathrm{x}} \:? \\ $$$$\mathrm{Is}\:\mathrm{its}\:\mathrm{graph}\:\mathrm{parabola}? \\ $$ Commented by Rasheed Soomro last updated on 22/May/16…
Question Number 136667 by mathlove last updated on 24/Mar/21 $${if}\:\:\:\:\:\:{f}\left({x}\right)={ax}^{\mathrm{2}} +{bx}+{c}\:\:\:\:\:\:{and}\:\:\:{f}\left(\mathrm{5}\right)=−\mathrm{3}{f}\left(\mathrm{2}\right) \\ $$$${an}\:{intersiction}\:\:{point}\:\:\left(−\mathrm{4},\mathrm{0}\right) \\ $$$${an}\:{the}\:\:{X}-{axis}\:\:\:\:\:{faind}\:{another}\:{point}\: \\ $$$${the}\:{X}-{axis} \\ $$$$ \\ $$ Answered by MJS_new last…
Question Number 5591 by FilupSmith last updated on 21/May/16 $$\mathrm{For}\:{x}^{{x}^{{x}^{…} } } ={a} \\ $$$$\therefore\:{x}^{{a}} ={a}\:\:\:\Rightarrow\:\:\:{x}={a}^{\frac{\mathrm{1}}{{a}}} \\ $$$$ \\ $$$$\mathrm{Is}\:\mathrm{this}\:\mathrm{true}? \\ $$$$\mathrm{When}\:\mathrm{is}\:\mathrm{it}\:\mathrm{not}\:\mathrm{true}? \\ $$ Commented…
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Question Number 136649 by liberty last updated on 24/Mar/21 $$ \\ $$What the value of series (4/2) + (4.7/2.6) + (4.7.10/2.6.10) + (4.7.10.13/2.6.10.14) +…? Commented…
Question Number 5568 by Rasheed Soomro last updated on 20/May/16 $$\mathrm{Solve}\:\mathrm{without}\:\mathrm{using}\:\mathrm{calculator} \\ $$$$\mathrm{4}^{\mathrm{x}} −\mathrm{3}^{\mathrm{x}+\frac{\mathrm{1}}{\mathrm{2}}} =\mathrm{3}^{\mathrm{x}−\frac{\mathrm{1}}{\mathrm{2}}} −\mathrm{2}^{\mathrm{2x}−\mathrm{1}} \\ $$ Answered by Yozzii last updated on 20/May/16…
Question Number 136636 by Raxreedoroid last updated on 24/Mar/21 $${b}={a}+{c} \\ $$$${y}={x}+{c} \\ $$$${x}={a}+{z} \\ $$$${y}={b}+{z} \\ $$$${x}=?,{y}=?,{z}=? \\ $$ Commented by mr W last…