Question

Evaluate using suitable identites 102×106​

Answer 1

Answer:

10812

Step-by-step explanation:

102 * 106

= (100 + 2) * (100 + 6)

= (100)^2 + (6+2)(100) + (6*2) [(X+a)* (X+b) = x^2 + (a+b) X + (ab)]

= 10000 +800 +12

= 10812

Hope it helps you......

Answer 2

(104-2)(104+2)

by using indentity

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

we get,

104 square- 2 square

10404-4

10400

Answer=10400