Question

8. Solve the following using identities:
199 x 199 - 101 x 101/
98​

Answer 1

Answer:

300

Step-by-step explanation:

by using the identity of (a square ) - (b square)

Answer 2

Answer:

using identity a2 - b2 = (a-b) (a+b)

so,

(199)^2 - (101)^2/98

(199-101) (199+101)/ 98

98× 300/98

1× 300

300