Question

The sum of first $n$ odd natural numbers is $(n+1{)}^2.$ If you think this is true wrote 1 otherwise write 0 ?

Answer 1

Odd natural numbers are $1,3,\mathrm{5....}$

This is an A.P with $a=1$, $d=2$

So , Sum$=\frac{n}{2}(2+(n-1\left)2\right)=n^2$

So the statement is false $0$.