The coeflicient of the 8th term in the
expansion of (1+x)¹⁰is :
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Step-by-step explanation:
the 8th term would be
10c7×1^7×x^7
10c7=10!/7!3!×1×x^7
10!/7!3!=120
therefore the coefficient of the 8th term in the expansion of (1+x)^10 is 120
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