(a² – b²) ÷ (a + b) = _____?
- (a + b)
- (a – b)
- 2ab
- None of these
Explanation
Factor the numerator:
(a² - b²) = (a + b)(a - b)
Now, divide by (a + b):
[(a + b)(a - b)] ÷ (a + b)
= (a - b)
Related MCQs
- 2.5
- 3.5
- 4.5
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2x + 2
- 2x - 8
- 2x - 5
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x