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Questions  

If (1+px)n=1+24x+2642x2+...then 

a
p = 2, n = 6
b
p = 2, n = 12
c
p = 3, n = 6
d
none of these

detailed solution

Correct option is B

(1+px)n=1+npx+12n(n−1)p2x2+…∴np=24,12n(n−1)p2=264Solve to obtain n = 12, p = 2.

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