If _ x 0 45^x-9^x-5^x+1 (k^x-1)(3^x-1) =2, then the value of k is ..

MHT CET 2026 Mathematics question

If , then the value of k is ..

Answer: (C)

Factor the numerator: because . Divide numerator and denominator by and use : the limit equals ${

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Question ID VK-099112