MCQ
A complex number is pure imaginary if:
- Aits imaginary part is zero
- Bits both real and imaginary parts are zero
- ✓its both parts are zero
- DNone of the above
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The ratio in which the line 3x + 4y + 2 = 0 divides the distance between the line 3x + 4y + 5 = 0 and 3x + 4y - 5 = 0 is: