Rationalize the denominator and simplify if possible. √5+√3 / √5-√3

1 answer

multiply top and bottom by the conjugate, and recall that (a-b)(a+b) = a^2-b^2

(√5+√3)/(√5-√3) * (√5+√3)/(√5+√3) = (√5+√3)^2/(5-3) = (8+2√15)/2 = 4+√15
Similar Questions
  1. Please help me simplify this:y = x/(4-sqrt(16+x)) Rationalize the denominator. Multiply by the conjugate, or (4+sqrt (16+x)) to
    1. answers icon 0 answers
    1. answers icon 1 answer
    1. answers icon 1 answer
    1. answers icon 1 answer
more similar questions