Question

How do you find the absolute value of `2+5i`?

Answer 1

`|2 +5i | = sqrt(29)`

Explanation:

The modulus of a complex number `a+bi` is given by:

`|a +bi | = sqrt(a^2+b^2)`

Thus;

`|2 +5i | = sqrt(2^2+5^2)`
`" " = sqrt(4+25)`
`" " = sqrt(29)`