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प्रश्न
Given the function f: x → x2 – 5x + 6, evaluate f(– 1)
उत्तर
Give the function f: x → x2 – 5x + 6.
f(– 1) = (– 1)2 – 5(1) + 6
= 1 + 5 + 6
= 12
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