Q.
Let Sp and Sq be the coefficient of xp and xq respectively in (1+x)p+q , then
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a
Sp≠Sq
b
Sp=qpSq
c
Sp=pqSq
d
Sp=Sq
answer is D.
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Detailed Solution
Sp= coeff. of xp=(p+q)!p!q!Sq= coeff. of xq=p+qCq=(p+q)!q!p!Therefore, Sp=Sq
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