Question

Rationalise the denominator of the following:
a)3/4√5
b) 5√7/√3
c)17/3√2+1
please answer with the solution​

Answer 1

Answer:

Step-by-step explanation:

(a). 3 × (√5) / (4√5)×(√5) = 3√5 / 20

(b). 5√7 × √3 / √3√3 = 5√21 / 3

(c). 17(3√2 - 1) / (3√2 + 1)(3√2 - 1) =

17(3√2 - 1) / ((3√2)^2 - 1^2) =

17(3√2 - 1) / 18 = $\frac{17}{18}$(3√2 - 1)