If is perpendicular to

MATHEMATICS · Subjective · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

If P1P2P_1P_2 is perpendicular to P2P3P_2P_3, then the value of kk is, where P1(k,1,−1)P_1(k, 1, -1), P2(2k,0,2)P_2(2k, 0, 2) and P3(2+2k,k,1)P_3(2 + 2k, k, 1) is .....

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