Higher Secondary Question Paper Solution of Year 2022 Question No: B(viii)

f(x) = log(3x + 1) হলে f"(1)-এর মান হবে

(a) \(\frac{9}{16}\) (b) \(-\frac{9}{16}\)

(c) \(\frac{9}{4}\) (d) \(-\frac{9}{4}\)

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