Question

Let i, j, k be unit vectors in the usual notation. Consider vectors a = 0.5i + 0.7 k, b = 4j+k, c=1+pj+q
k where p, q are real numbers. Find p such that c is perpendicular to a and b both.
(A) 3/28
(8) 4/28
(C) 5/28
(D) 6/28
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Answer 1

Answer:

are you new in this aap

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Answer 2

Answer:

is this a question of maths

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