Monday, 2 March 2026

Prove that intg.dx/(x²+a²)=(1/a)tan^-1(x/a)+C.





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Check whether 7+3x is a factor of 3x^3+7x ? [ncert]

                               Now take 7+3x=0 =>3x= -7 => x= -7/3 => If p(x)=3x^3+7x , then, => p(-7/3) = 3(-7/3)^3+7(-7/3) =...