Questions
If p is a real number and if the middle tern in the expansion of is 1120,then the value of p is
detailed solution
Correct option is C
Given expression is p2+ 28Here, n =8 (even) ⇒ Middle term =82+1th=5 th T5=8C4p28−4(2)4 ⇒8×7×6×54×3×2×1×p424×24=1120⇒P4=16,p=±2Talk to our academic expert!
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The coefficient of x4 in the expansion of is
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