Math, asked by shaheen79, 1 year ago

simplify (5+√5)(5-√5)​


lasya0918: 20

Answers

Answered by Genius145
9

Answer:

(5+√5)(5 - √5). { using the identity of (a² - b²)=(a+b)(a - b) we get :-

(5)² - (√5)²

25 - 5 = 20

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Answered by kumargoransh34
4

Answer:

Step-by-step explanation:

(5+√5)(5-√5)

By using property of

a^2 - b^2

= (5)^2 - (√5)^2

= 25 - 5

= 20

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