First slide

Addition approximation,Binomial approximation

Question

Find the coefficient independent of x in the expansion of (1 +x)¹³

Easy

A

$13_{C_{3}}$
B

$13_{C_{1}}$
C

1
D

$13_{C_{2}}$

Solution

The general term of the above binomial expansion is given by $13_{C_{r}} x^{r}$
Hence the coefficient independent of x = 1

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