Question

# plz answer this question step by step...ASAP..... most helpful ans, solved step by step will be marked as the brilliant ​

Answer 1

Step-by-step explanation:

D is the answer from me

enjoy

Answer 2

Step-by-step explanation:

Given 1/(3+√5)

To rationalise, multiply both numerator and denominator by its congregate.

For 3+√5, congregate = 3-√5

1 * (3-√5) / (3+√5)(3-√5)

Using identify of (a+b)(a-b) = a² - b²

So,

= (3 - √5) / 9 - 5

= (3 - √5) / 4