Question

Rationalize the denominator: 5 by √28+√37

Answer 1

Answer:

Step-by-step explanation:

5/√28+√37    ( multiply in the numerator and denominator with √37 -√28)

the denominator will be (√37+√28)(√37-√28)

we know (a-b)(a+b) = a² - b²

so , denominator = 37 - 28  = 9

$\frac{5}{9}$ × (√37-√28)