Question

Find square root of (8+2√7) (8-2√7) is​

Answer 1

Answer:

36

Step-by-step explanation:

(8+2√7)(8-2√7) compare with (a+b)(a-b)

now 8²-(2√7)²=64-28=36

Answer 2

Answer:

root of (8+2√7)(8-2√7)

=root of (8² - (2√7)²)

=root of (64-28)

=root of (36)

=6