Question

Rationalise

1/2-√5
= 1/2-√5 ×1/2+√5
=??

Help Me
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Answer 1

Step-by-step explanation:

1/2-√5

1*2+√5/2-√5*2+√5

2+√5/(2)²-(√5)²

2+ √5/4-5

2+√5/-1

-(2+√5)/1

-2-√5 is the right answer with correct method.

Hope it helps ✌✌