Question

√15 + √3
----------------
√15 - √3


pls solve this for me !!

Answer 1

(√3×5+√3)/(√3×5-√3)


√3(√5+1)/√3(√5-1)

=> (√5+1)/(√5-1)

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Answer 2

Q)(√15 + √3 )/(√15 - √3)

=> (√15 + √3)x(√15 + √3) / (√15 - √3)x(√15 + √3)

=> (√15 + √3)² / (√15)² - (√3)² [ (a+b)(a-b) = a² - b² ]

=> ( (√15)² + (√3)² + 2 x √15 x √3 ) / 15 - 3

[ (a+b)² = a² + b² + 2ab ]

=> ( 15 + 3 + 2√3 x 3 x 5 ) / 12

=> ( 18 + 6√5) / 12

=> 6(3 + √5) / 12

=> (3 + √5) / 2

This is it, hope it helped...