Question

tell the answer????????​

Answer 1

Answer:

Given nth term is 2n-1

We know that nth term formula as

n (n-1)/2

Substitute the given value

2n-1 (2n-1-1)/2

By taking commen of 2 in numerator we get

2n-1*2 [n-1]/2

We get(n-1) while square

Step-by-step explanation: