Question

what is the answer for ✓-4=?​

Answer 1

Step-by-step explanation:

$\sqrt{ - 4} \\ = \sqrt{4} \times \sqrt{ - 1} \\ = 2 \times i \\ = 2i \: \: \: \: \: \: \: | \: \: \: as \: i \: = \sqrt{ - 1}$

Answer 2

Step-by-step explanation:

ANSWER

The answer will be plus 2.

Reason

$\sqrt{-4} \\ =2$

But as it is in negative always remember that the answer or the result will be in positive only .

Points to note

• Negative into negative is always positive
• Positive square roots are in Plus and cell as minus value.