Question

find square 35 by identities​

Answer 1

Answer:

The square of 35 can be found out by the following way

(35)²

=(30+5)²

=by using identity (a+b)² = a²+2ab+b²

=30=a

and

》5= b

》so ,

=(30)²+2(30×5) + (5)²

=900 + 300+ 25

=1225

Hope it helps