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Prove that : If the coefficients of (2r...

Prove that : If the coefficients of `(2r+4)^("th")` and `(r-2)^("nd")` terms in the expansion of `(1+x)^(18)` are equal, find r.

Text Solution

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The correct Answer is:
r = 6
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Knowledge Check

  • If the coefficient of (2r + 4)^(th) term and (r - 2)^(th) term in the expansion of (1 + x)^18 are equal then find r.

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