Question

how many natural numbers lie between 9 ²&10² ---_------_------_--ans=(10²-9²)=100-81-1=18--------------why we subtract by 1 ?​

Answer 1

Step-by-step explanation:

The Answer to do is

we have to find (9)2 and (10)2

let , n =9

2n=2×9

= 18

Thus,the answer is 18 numbers lie between the squares if (9)2 and (10)2