Question

2√145 + 3√20
5. Write whether
on simplifi-
2√3
cation gives a rational number or
irrational number.
[CBSE 2010]​

Answer 1

Answer:

37.49

Step-by-step explanation:

• 2√145+3√20

• 2 √12.04^2 + 3 √4.47^2

• 2 × 12.04+ 3 × 4.47

• 24.08+13.41

• 37.49

Hope this is helpful and useful