simplify: (5+√5) (5-√5)
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Answered by
0
Answer:
By using an algebraic Identity
(a^2-b^2) = (a+b) (a-b)
(5+√5) (5-√5) = {5^2-(√5)^2}
= (25-5)
= 20
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Answered by
0
Answer:
(5+√5) (5-√5) = 5²- √5⁵
= 25 - 5
= 20 is the answer
Step-by-step explanation:
using identify ( (a+b) (a-b)= a² - b² )
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