Sunday, 9 November 2025

If x/a = y/b = z/c , then prove that (x^3/a^3)+(y^3/b^3)+(z^3/c^3) = (3xyz)/(abc). [icse 2016]



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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) =...