Sunday, 9 March 2025

The position vectors of the vertices of a triangle are 2i ̂-j ̂+k ̂,i ̂-3j ̂- 5k ̂ and 3i ̂-4j ̂-4k ̂. Prove that It is a right angled triangle. [isc2003]



 

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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) =...