First term (a) = √3Common ratio (r) nth term in the GP (an) = arn-1729 = √3×(√3)n-136 = √3nEquating powers on both sides = 6 ⇒ n = 12.

Q. 4 B4.2( 11 Votes )

Which term

Answer :

First term (a) = √3

Common ratio (r)

n^th term in the GP (a_n) = ar^n-1

729 = √3×(√3)^n-1

3⁶ = √3ⁿ

Equating powers on both sides

= 6 ⇒ n = 12.

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