Question

rationalising factor of 3 + √5???​

Answer 1

Answer:

Step-by-step explanation: √3+√5 rationalising factor=√3+√5×√3-√5=√3^2=3-5= -2.

Step-by-step explanation:

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Answer 2

Answer:

Rationalizing factor of

$3 + \sqrt{5} \: is \: 3 - \sqrt{5}$

Step-by-step explanation:

$(3 + \sqrt{5} )(3 - \sqrt{5} ) \\ = {3}^{2} - ( { \sqrt{5} })^{2} \\ = 9 - 5 \\ = 4$