Math, asked by DNYANDEO, 1 year ago

If a= 2+√5/2-√5 and b = 2-√5/2+√5 then find the value of a^2 -b^2


Anonymous: it is √5/2 or √5/√2
DNYANDEO: 2+√5/2-√5 =a and b= 2-√5/2+√5
Anonymous: ok

Answers

Answered by PSN03
2

on simplifying values of a and b

a=2-√5/2

b=2+√5/2

a²-b²=(a+b)(a-b)

=4(-√5)

=-4√5


DNYANDEO: You have copied wrong question
PSN03: its correct...i have just simplified it
Answered by Anonymous
2

Answer:

-√5

.....................

hope it's helpful

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