Question

solve the following
(√7-√5) (√7+√5)​

Answer 1

Answer:

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

(√7-√5)(√7+√5)=7-5=2

Answer 2

Answer: the answer will be 2

Step-by-step explanation:

We know the foemula that .

(a+b)*(a-b) = a^2 - b^2

Thus putting a and b as root 7 and root 5 gives 7-5 =2

Thus the answer is 2