Same chapter3 marksDifficulty: Medium
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Find the coefficient of x5 in the expansion of (2 + x)8.
Original Khojo Papers practice question — not from a past board paper.
Answer
448
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The general term is 8Cr 28 − r xr. For r = 5 this is 8C5 × 23 = 56 × 8 = 448.
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