Question

rationalize the denominanator and simplify:

Answer 1

@DoShKa_SyRiA @Desireelover

Answer 2

@iSpiffy2wice

Answer 3

like on the other post somebody told u to multiply both top and bottom by the conjugate of the denominator

Answer 4

yes and thn i get lost trying to do that

Answer 5

okay so what's the conjugate of the denominator ?

Answer 6

ello?

Answer 7

\[\sqrt{a}+2\sqrt{y}\]

Answer 8

yes right multiply \[\huge\rm \frac{ (\sqrt{a} + 2\sqrt{y})(\sqrt{a}+2\sqrt{y}) }{ (\sqrt{a}-2\sqrt{y})(\sqrt{a}+2\sqrt{y}) }\]
multiply
familiar with the foil method ?

Answer 9

kinda not really'

Answer 10

multiply 2nd parentheses by first term of 1st parentheses