Question

Simplify 6+ √-80.
06+16√5i
06+4√5
06+16/ √5
06+4√ √5i

Answer 1

6 + 4
`√(5)`i

Explanation:

The prime factorization of 80 is 2x2x2x2x5

6 +
`√(-2x2x2x2x5)` We can take out 2 pairs of 2 which would be 4 and
`√(-1)` is i

6 + 4
`√(5)` i