Question 162051
Well square root of 40 = square root of 4 * square root of 10...square root of 4 = 2...


So now you have square root 2 (2* square root 10 + 2* square root 10)


Simplified:


Square root 2 (4 * square root 10)

Multiply the square root 2 and the square root 10...

Final answer = 4 * square root 20

So you are correct :)