Question

Express -1-7√-35 as a complex number.

Answer 1

-1-i*7√35.

Explanation:

1. the rule is:

`i=√(-1) ;`

2. the given expression can be re-written based on the rule above:

`-1-7√(-35)=-1-7√(35)*√(-1)=-1-7√(35)i=-1-i*7√(35).`