If r^{th} and (r+1)^{th} terms in the expansion of (p+q)^n are equal, then \frac{(n+1)q}{r(p+q)} is .........................

KCET 2011 Math Solved Paper

Question : 4 of 60

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If rth and (r+1)th terms in the expansion of (p+q)n are equal, then

(n+1)q

r(p+q)

is .........................

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