Monday, 16 June 2025

A = 60° and B = 30 deg verify that: sin(A + B) = sin A * cos B + cos A * sin B. [cbse10th 2024]


 

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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) =...