Question

simplify by rationalising the denominator 3√5-√7/3√3+√2​

Answer 1

Step-by-step explanation:

3√5-√7/3√3+√2

(3√5-√7) /(3√3+√2) × (3√3-√2) / 3√3-√2)

3√5( 3√3-√2) × -√7(3√3-√2) / (3√3)^2 - (√2)^2

9√15-3√10-3√21+√14 / 9×3 - 2

9√15 - 3√10-3√21+√14 / 25