Question

i need more help

Answer 1

@.Sam.

Answer 2

i have no idea what to do when i work it out the answer is never right

Answer 3

Your goal here is to make the bottom nice looking

Answer 4

If you multiply the bottom by its conjugate, it becomes nice looking. (why ?)

Answer 5

So you may simply multiply top and bottom by the conjugate of the bottom

Answer 6

yeah i know that

Answer 7

do you know what is the conjugate of the bottom?

Answer 8

can you just tell me i have five minutes to answer and i take too long to work it out

Answer 9

@.Sam.

Answer 10

@skullpatrol

Answer 11

\(\Large\frac{\sqrt{a}\;+\;2\sqrt{y}}{\sqrt{a}\;-\;2\sqrt{y}}\times\frac{\sqrt{a}\;+\;2\sqrt{y}}{\sqrt{a}\;+\;2\sqrt{y}}\)

Answer 12

@.Sam.