1.

The number of distinct real values of' x 'for which the vectors -x^2i+j+k, i-x^2j+k and i+j-x^2k are coplanar is (where i , j , k are unit vectors along coordinate axes) :-

Answer» The number of distinct real values of' x 'for which the vectors -x^2i+j+k, i-x^2j+k and i+j-x^2k are coplanar is (where i , j , k are unit vectors along coordinate axes) :-


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