Question

State 3✓49 is a surd?

Answer 1

No , it's not a surd
General form of surd = m√n where m ,n are real and n is not a perfect ²
3√49 = 3√7² = 3*7 = 21

Answer 2

No its not a surd as root 49 we get 7 so 3×7 21 as 21 is a rational nos