Question

Help please!
write in terms of i​

Answer 1

hope this helps (2i square root of 10)

Answer 2

2√10i

Explanation:

√-40 = √40 × √-1

= √(4 × 10) × √-1

= √4 × √10 ×√-1

√-1 = i

√40 = 2√10i