Question

Evaluate (7-4√3 ) (7+4√3 ) *​

Answer 1

Step-by-step explanation:

7^2- (4√3)^2

49-48

1 ans

Answer 2

Answer:

=49-48

=1

Step-by-step explanation:

USING a²-b²=(a+b)(a-b)

here a=7 and b=4√3

SO ,a²=49 and b²=16*3=48

and a²-b²=49-48

=1 ANS.