Question

Find 52.5 * 47.5 by using suitable identity

Answer 1

Answer:

2493.75

Step-by-step explanation:

We can write is as (50+2.5)(50-2.5)

So Using identity (a+b)(a-b)=(a²-b²)

=50²-2.5²

= 2500-6.25

=2493.75

Thanks

Answer 2

Answer:

2493.75

Step-by-step explanation:

We can write is as (50+2.5)(50-2.5)

So Using identity (a+b)(a-b)=(a²-b²)

=50²-2.5²

= 2500-6.25

=2493.75