Two vector, A=3icap +2jcap + k and B=5icap -2jcap +PK are perpendicular to each other then value of p is
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Explanation:
A.B = 0......(since they are perpendicular)
(3icap +2jcap + k)(5icap -2jcap +PK) = 0
15 -4 +P = 0
P = -11
So, P = (-11) is your answer
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