If a vector 2 i+3 j+8 k is perpendicular to the vector 4 j-4 i+a k . Then the value of a is (a) 1/2
Channel: Ritesh Dahiya (RD Sir) (KDC) Kota Doubt Counter
Date: 2020-09-03

If a vector 2 i+3 j+8 k is perpendicular to the vector 4 j-4 i+a k . Then the value of a is (a) 1/2 (b) -1/2 (c) 1 (d) -1

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