Question

using suitable identities, evaluate the following 105×107​

Answer 1

Answer:

11235

Step-by-step explanation:

105×107

(100+5)(100+7)

using identity

(x+a)(x+b)=(x)square +(a+b)×x+ab

(100+5)(100+7)=(100)square+(5+7)×100+5×7

=10000+1200+35

=11235