Question

4. Rationalise the denominator and simplify.5/5-√5​

Answer 1

Ans:- 5 / 5 - √5

= 5 /5 - √5 × 5 + √5 / 5 + √5

= 5(5 + √5) / 25 - 5

= 25 + 5√5 / 20

= 5(5 + √5 ) /20

= (5 + √5) / 4 ( we cancel 20 by 5 in 4 times)

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Answer 2

Answer:

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