f(x)= x3 - 12x2 + 48x - 64 হলে, f(5)-এর মান কত?
Solution
Correct Answer: Option A
দেওয়া আছে, f(x) = x³ - 12x² + 48x - 64
∴f(5) = (5)³ - 12 (5)² + (48×5) - 64
= 125 - 300 + 240 - 64
= 1
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