Question

the expansion of D*67 is​

Answer 1

Answer:

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hello

Explanation:

Answer 2

Solution:

Given expansion

Let

Here a, b, c, n are all +ve integers and a 10, b 10, c 4, n 22, a + b + c = 10

Now

For c < 4 and n 22; b > 10, which is not possible. c = 4, b = 0, a =6

Hence the coefficient of