Question

The product of (4√5 -3√2) ( 3√5 +5√2) is
​

Answer 1

(4√5 -3√2) ( 3√5 +5√2)

(4 x 3 x 5) + (4 x 5 x √10) - (3 x 3 x √10) - (3 x 5 x 2)

60 + 20√10 - 9√10 - 30

30 + 11√10

Thus, the product of (4√5 -3√2) ( 3√5 +5√2) is 30 + 11√10.

Hope it helps you..