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प्रश्न
If ƒ(m) = m2 − 3m + 1, find f(x + 1)
उत्तर
f(x + 1) = (x + 1)2 – 3(x + 1) + 1
= x2 + 2x + 1 – 3x – 3 + 1
= x2 – x – 1
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