Question

What is the absolute value of the complex number 2 + 2i? I use the square root of a + bi right?

Answer 1

i meant I use that formula right?

Answer 2

for complex number abs value is given by sqrt(a^2 +b^2)
thus here reqd abs value is sqrt(2^2+2^2)=sqrt(8)=2sqrt(2)

Answer 3

so the answer is 2sqrt(2)?

Answer 4

yup dear