Question

Find ‘n’ if 2nC1,

2nC2 and 2nC3 are in

AP.​

Answer 1

Answer:

n=1

Step-by-step explanation:

if 3 terms are in AP the

2x2nd term = 1st term + 3rd term

$2\binom{2n}{2} = \binom{2n}{1} + \binom{2n}{3}$

after further solving

we get n=1

Answer 2

Answer:

Hii..

Good morning ..

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