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
2+√5/2-√5 =a and b= 2-√5/2+√5
ok
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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
You have copied wrong question
its correct...i have just simplified it
Answered by
2
Answer:
-√5
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hope it's helpful
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