Math, asked by slkdbhavanisure, 4 months ago

write the value of (5+√5)(5-√5)​

Answers

Answered by riya123361
2

Answer:

20

Step-by-step explanation:

as we know the property that (a+b)(a-b) = a²-b²

so we apply this property

then we get,

5 ^{2}  { -  \sqrt{5} }^{2}

=25-5

=20

hope it will help uhh

Answered by safi39
1

Answer:

as we know the formula (a+√b)(a-√b) = a²-b

(5+√5)(5-√5) = 5²-5

=25-5

= 20

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