1.

If p and q be positive, then the coefficients of \[{{x}^{p}}\] and \[{{x}^{q}}\] in the expansion of \[{{(1+x)}^{p+q}}\]will be [MNR 1983; AIEEE 2002]

A. Equal
B. Equal in magnitude but opposite in sign
C. Reciprocal to each other
D. None of these
Answer» B. Equal in magnitude but opposite in sign


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