Question

Rationalise the denominator = 5/√7-√5

Answer 1

Answer:

Step-by-step explanation:

= [5 * (√7 - √5)] / [(√7 + √5) * (√7 - √5)]

= [5 * (√7 - √5)] / [(√7)² - (√5)²]

= [5 * (√7 - √5)] / (7 - 5)

= [5 * (√7 - √5)] / (2)

= [5 * (√7 - √5)] / 2

= (√7 - √2) * (5 / 2)

= (√7 - √2) * 2.5

Hope it will help you

Answer 2

Step-by-step explanation:

hope it helps u.....❣️