Question

(√3-1)(√3+1)(√5+1)(√5-1)​

Answer 1

Answer:

2x4= 8

using formula (a+b)(a-b)=a^2-b^2

Answer 2

Answer:

(√3 - 1)(√3 + 1)(√5 + 1)(√5 - 1)

=> (3 - 1)(5 - 1) [ (a + b)(a - b) = a^2 - b^2 ]

=> 2 × 4

=> 8