Category: Number Theory

Question Number 75989 by Ajao yinka last updated on 21/Dec/19 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 10364 by Joel575 last updated on 05/Feb/17 $$1+2+3+4+5+6+7+8+9+10+11=x^y$$$$\mathrm{The}\mathrm{sum}\mathrm{of}\mathrm{all}\mathrm{possible}\mathrm{solutions}\mathrm{of}x\mathrm{and}y\mathrm{is}\dots$$ Answered by mrW1 last updated on 05/Feb/17 $$1+2+3+4+5+6+7+8+9+10+11=\frac{11\times 12}{2}=66$$$${x}^{{y}} =\mathrm{66}…

Question Number 10142 by 0942679167 last updated on 26/Jan/17 Commented by prakash jain last updated on 27/Jan/17 $$\underset{{i}={x}} {\overset{{x}+\mathrm{7}} {\sum}}{i}^{\mathrm{3}} =\underset{{i}=\mathrm{1}} {\overset{{x}+\mathrm{7}} {\sum}}{i}^{\mathrm{3}} −\underset{{i}=\mathrm{1}} {\overset{{x}−\mathrm{1}}…

Question Number 9790 by tawakalitu last updated on 04/Jan/17 $$\mathrm{prove}\mathrm{by}\mathrm{mathematical}\mathrm{induction}$$$$\mathrm{n}!⩽{\mathrm{n}}^{\mathrm{n}}$$ Commented by FilupSmith last updated on 04/Jan/17 $$n=1$$$$\mathrm{1}!\leqslant\mathrm{1}^{\mathrm{1}} \…

Question Number 9485 by Joel575 last updated on 10/Dec/16 $$a_n=a_{n-1}^2+a_{n-2}^2$$$$\mathrm{If}{a}_1=1\mathrm{and}{a}_2=1,\mathrm{what}\mathrm{is}\mathrm{the}\mathrm{remainder}\mathrm{of}{a}_{2016}\mathrm{when}\mathrm{divided}\mathrm{by}10?$$ Commented by sou1618 last…