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84.9k views
in Trigonometry by (41.6k points)
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Let P = [(1, 0, 0), (4, 1, 0), (16, 4, 1)]  and I be the identity matrix of order 3. If Q  = [qij] is a matrix such that P50 - Q = I, then (q31 + q32)/q21 equals

(A) 52

(B) 103

(C) 201

(D) 205

1 Answer

+2 votes
by (41.4k points)
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Best answer

Answer is (B) 103

 It is given that

Therefore, using difference method, we get

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