Question

write the rationalising factor of √5+√3​

Answer 1

$\Large\mathtt\green{ }\huge\underline\mathtt\red{Answer : }$

Rationalizing factor becomes : [ 9 + 25^(1/3) - 3 x 5^(1/3) ].

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Answer 2

⇒ (√5 - √3)(√5 + √3)

⇒ (√5)² - (√3)²

⇒ 5 - 3

⇒ 2

∴ lowest  rationalizing factor is (√5 + √3)