Question

Please help with the 2 questions ive attached, i dont understand it at all

Answer 1

see explanation

Explanation:

(a)

Consider the denominator

To obtain 5xy from x , multiply by 5y

Thus numerator is multiplied by 5y, that is

`(1)/(x)` =
`(5y)/(5xy)`

(b)

Consider the numerator

To obtain 5ab² from ab, multiply by 5b

Thus denominator is multiplied by 5b, that is

`(ab)/(2c)` =
`(5ab^2)/(10bc)`