Question

Three terms are in G.P., whose product is 27. The middle term is ______.

विकल्प

• −3

• 3

• −3 and 3

• −3 or 3

Answer 1

Three terms are in G.P., whose product is 27. The middle term is 3.

Explanation:

Let three terms be `a/r`, a and ar.

Given,

Product of three terms = 27

∴ `a/r`× a × ar = 27

⇒ a³ = 3³

⇒ a = 3