Question

Find The Square Of 395 Using The Identity A-B2=A2-2Ab+B2

Answer 1

Answer:

164025

Explanation:

• (a - b)² = a² + b² +2ab

Given number is 395 we can write 395 as

( 400 - 5 )

Square of 395 is ( 400 - 5 )²

We know that (a - b)² = a² + b² + 2ab

Here, a = 400 and b = 5

(400 - 5)² = (400)² + (5)² + 2 * 400 * 5

=160000 + 25 + 4000

= 164025

Answer 2

QUESTION

Find The Square Of 395 Using The Identity A-B2=A2-2Ab+B2

ANSWER

PLEASE REFER TO THE ATTACHMENT GIVEN ABOVE

HOPE IT HELPS