Question

रूट 3 प्लस रूट 7 रूट 3 - रूट 7​

Answer 1

Answer:

21

Step-by-step explanation:

(√3 + √7) (√3 - 7)

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

Here a = √3 and b = √7

Therefore,

(√3)^2 - (√7)^2

(√3 × √3) (√7 × √7)

3 × 7

21