Question

(√13 + √5) (√13 - √5)=
please answer it ​

Answer 1

Answer:

-2

Step-by-step explanation:

Answer 2

Answer:

8 is the correct answer

Step-by-step explanation:

Using (a+b)(a-b)=a²-b²

(√13+√5)(√13-√5)= (√13)²-(√5)²

= 13-5

= 8 is the correct answer

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