Question

How has the 2 -square root 5/-1 become -2+squateroot 5

Answer 1

Answer:

Step-by-step explanation:

Hi,

When the signs or some numbers are changed in a FRACTION just think that the NUMERATOR and DENOMINATOR are multiplied with some value

In this case,

The fraction is multiplied with -1

So we get

2-√5*-1/-1*-1 = -2+√5

Remember this rule always :)

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