Question

rationalise the denominator = 1 / ✓5 +✓3​

Answer 1

Here’s ur answer :

1 / root 5 + root 3


By multiplying the denominator and numerator with the conjugate

Root 5 - root 3 / 5 -3
( this happens due to the formula (a-b) (a+ b ) = a^2-b^2 )

So the answer is root 5 - root 3 /2

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