Question

The value of (√5 + √2)(√5 – √2) is:
(a) 10 (b) 7
(c) 3
(d) 13​

Answer 1

Answer:

option c 3 is the correct answer

Answer 2

Answer:

(c) 3

Step-by-step explanation:

(√5 + √2)(√5 – √2)

Using property (a+b)(a-b) = a^2 - b^2

Here, a=root5 , b=root2

= 5 - 2

= 3