Question

3. Simplify: (√3+√7)(√13-√17)​

Answer 1

Step-by-step explanation:

(√3 + √7) ( √13 - √17 )

{√3 ×√13 + √3 (-√17) + √7 (√13) + √7 (-√17) }

(√39 - √51 + √91 - √119 )

( √130 - √170 )

( - √40 )

But I have doubt ....