Math, asked by rohanr1604, 4 months ago

If the ratio of the coefficient of third and fourth term in the expansion of

n

x

x 











−

2

1

is 1 : 2, then the value of n will be

(a) 18 (b) 16 (c) 12

Answers

Answered by manjeet1217

2

Step-by-step explanation:

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