Saturday, 24 June 2023

Without solving the following quadratic equation, find the value of 'm' for which the given equation has real and equal roots x²+2(m-1)x+(m+5)=0.


 

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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) =...