Question

root 150 square + 120 square = 30 root 41 how this answer come

Answer 1

it is simple
root [150^2+120^2]=root[22500+14400]=root36900=30root41

Answer 2

⇒√120²
⇒√2*2*2*3*5
⇒√2*2*3*5
⇒√2*3*5
⇒√30²

⇒√150²
⇒√3*2*5*5
⇒√2*3*5
⇒√30²
⇒√30²+√30²
⇒√30+√30
⇒√60
⇒√2*2*3*5
⇒√2*3*5
⇒√30