Math, asked by srvgsharma, 11 months ago

Simplify (5+root5)(5-root5)

Answers

Answered by tejasviranand

7

Answer:

20

Step-by-step explanation:

(a+b)(a-b)= a^2-b^2

25-5

20

Hope that helps... :)

Answered by flameprincessforever

5

Answer: 20

Step-by-step explanation:

(5+√5)(5-√5)

Identity: (a+b)(a-b)=(aa)-(bb)

=25-5

=20

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