Question

3 - 7 root 20 + 10 root 45

Answer 1

Hi there

Your answer is :-

3 - 7√20 + 10√45

3 - 7√2^2 × 5 + 10√3^2 × 5

3 - 7 × 2√5 + 10 × 3√5

3 - 14√5 + 30√5

3 + 16√5 ( Ans )


Thank You