Question

Find the value of 98x102 using suitable identity. please answer​

Answer 1

102 × 98

= (100+ 2) (100 – 2)

Identity (a + b)(a – b)

= a²– b²

Here a = 100, b= 2 (100 + 2)(100 – 2)

= 100²– 2²

=10000 – 4

102 × 98 = 9996

Answer 2

Step-by-step explanation:

Look at the attatchment