. Number of possible ordered pair
Number of possible ordered pair(s) (a, b) for each of which the equality, a (cos x – 1) + b2 = cos (ax + b2) -1 holds true for all x ∈ R are:
(A) 0
(B) 1
(C) 2
(D) infinite
Best Answer
Correct Answer is:
(C): 2
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