Menu Close

Author: Tinku Tara

I-x-x-4-1-2-dx-

Question Number 132070 by bramlexs22 last updated on 10/Feb/21 $$\mathrm{I}=\int\:\frac{\mathrm{x}}{\left(\mathrm{x}^{\mathrm{4}} −\mathrm{1}\right)^{\mathrm{2}} }\:\mathrm{dx}\:? \\ $$ Answered by liberty last updated on 10/Feb/21 $$\mathrm{I}=\:\frac{\mathrm{1}}{\mathrm{2}}\int\:\frac{\mathrm{d}\left(\mathrm{x}^{\mathrm{2}} \right)}{\left(\left(\mathrm{x}^{\mathrm{2}} \right)^{\mathrm{2}} −\mathrm{1}\right)^{\mathrm{2}}…

3-3x-4-3-x-2-4-

Question Number 991 by Madan pd gupta last updated on 13/May/15 $$\mathrm{3}\left(\mathrm{3}{x}−\mathrm{4}\right)+\mathrm{3}\left({x}−\mathrm{2}\right)=\mathrm{4} \\ $$ Answered by prakash jain last updated on 13/May/15 $$\mathrm{9}{x}−\mathrm{12}+\mathrm{3}{x}−\mathrm{6}=\mathrm{0} \\ $$$$\mathrm{12}{x}=\mathrm{18}\Rightarrow{x}=\frac{\mathrm{18}}{\mathrm{12}}=\frac{\mathrm{3}}{\mathrm{2}}…

Question-66527

Question Number 66527 by mr W last updated on 16/Aug/19 Commented by mr W last updated on 16/Aug/19 $${the}\:{perimeter}\:{of}\:{a}\:{rope}\:{loop}\:{is}\:{L}. \\ $$$${now}\:{it}\:{is}\:{hanged}\:{on}\:{two}\:{pins}\:{A}\:{and}\:{B}. \\ $$$${the}\:{distance}\:{between}\:{the}\:{pins}\:{is}\:{b}.\: \\ $$$${all}\:{contact}\:{is}\:{frictionless}.…