Question

What is the 11th term of 3,15,75,385

Answer 1

• 3*5¹⁰

Explanation:

Given sequence:

• 3, 15, 75, 385, ...

This is a GP with:

• The first term of t₁ = 3
• Common ratio of r = 5

The nth term is:

• tₙ = t₁r°⁻¹

The 11th term is:

• t₁₁ = 3*5¹⁰