Question

Simplify
1) (√13-√5x)(√13+√5x)​

Answer 1

Step-by-step explanation:

Thus will be in the formula (a+b)(a-b)=a²-b²

Here a=√13 b=√5x

Therefore, √13² - √5x²

so, √13×√13=13

√5x × √5x =5x²

Therefore, 13 - 5x² is the answer