ISRO | ISRO CS 2017 | Question 10
If vectors and
are perpendicular to each other, then value of λ is
(A) 2/5
(B) 2
(C) 3
(D) 5/2
Answer: (D)
Explanation: Given, vectors and
are perpendicular to each other, so
So, option (D) is correct.
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