Question

3 ×root 45 - root 125 + root 200 m- root 50.

Answer 1

3√45= 3√9×5= 3×3√5=9√5

√125=√25×5=5√5

√200= √100×2= 10√2

√50= √25×2= 5√2

Here,

9√5-5√5+10√2-5√2

= 4√5+5√2