Question

Using identity, evaluate 94 x 106,

Answer 1

9964 is the correct answer

Given 94×106

We can write 94 as 100−6 and also 106 as 100+6

We know that (a+b)×(a−b)=a ^2−b ^2

Here a=100 and b=6

Here a=100 and b=6Applying the above formula we get

(100+6)×(100−6)=(100) ^2 −(6) ^2

(100+6)×(100−6)=10000−36=9964