Category: Others

Question Number 25973 by soyebshaikh41@gmail.com last updated on 17/Dec/17 $$\frac{\mathrm{k}.2^{\mathrm{k}}+2.2^{\mathrm{k}}+2\mathrm{k}+4}{2}=(\mathrm{k}+3)2^{\mathrm{k}}$$ Answered by prakash jain last updated on 17/Dec/17 $${k}\mathrm{2}^{{k}} +\mathrm{2}\centerdot\mathrm{2}^{{k}} +\mathrm{2}{k}+\mathrm{4}=\mathrm{2}\left({k}+\mathrm{3}\right)\mathrm{2}^{{k}}…

Question Number 25969 by soyebshaikh41@gmail.com last updated on 17/Dec/17 $${\mathrm{C}}_0+{2\mathrm{C}}_1+{3\mathrm{C}}_2+\dots \dots \dots .+(\mathrm{n}+1){\mathrm{C}}_{\mathrm{n}}=(\mathrm{n}+2)2^{\mathrm{n}-1}$$$$\mathrm{using}\mathrm{Bionomial}\mathrm{teorm}$$ Commented by moxhix last updated on 17/Dec/17…

Question Number 25943 by tawa tawa last updated on 16/Dec/17 Answered by ajfour last updated on 16/Dec/17 $$frictionf=\mu N=\mu m_{P}g$$$$=0.5\times 10\times 10=50newtons$$$${m}_{{Q}} {g}−{T}={m}_{{Q}} {a}\:\:\:\:\:\:\:\:…\left({i}\right)…

Question Number 25940 by rita1608 last updated on 16/Dec/17 $$everyextremepointisacritical$$$$pointbuteverycriticalisnota$$$$extremepointjustifyit$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 25899 by maheshagarwal last updated on 16/Dec/17 $$8a^6+5a^3+1=factorize$$ Commented by sushmitak last updated on 16/Dec/17 $$a^3=x$$$${x}=\frac{−\mathrm{5}\pm\sqrt{\mathrm{25}−\mathrm{32}}}{\mathrm{16}}=\frac{−\mathrm{5}\pm\iota\sqrt{\mathrm{7}}}{\mathrm{16}}…