What is the square root of -25?
- 5i
- -5
- -2.5
- None of these
Explanation
The square root of -25 is 5i, where i is the imaginary unit (√-1).
Since the square root of a negative number is not a real number, we use imaginary numbers to express it.
So, √(-25) = 5i.
Related MCQs
- Even number
- Prime number
- Odd number
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Odd
- Prime
- Even
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2/3
- √2
- 5
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
