Sunday, 4 January 2026

If A=[(3,x),(0,1)] and B=[(9,16), (0,-y)], find x and y, when A²=B. [icse 2015]



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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) =...