Tuesday, 11 November 2025

Using Componendo and dividendo, find the value of x: (√(3x+4) +√(3x-5))/(√(3x+4) - √(3x-5)) = 9. [icse 2011]











 

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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) =...