Question

simplify (root 13_root5)(root13+root5)​

Answer 1

• (√13-√5)(√13+√5
• (√13)×(√13)-(√5)×(√5)
• 13-5
• 8 is a correct answer

Answer 2

Answer:

(a+b)(a-b)= a²-b²

(√13-√5)(√13+√5)

(√13)²-(√5)²

13-5

8

Step-by-step explanation:

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