(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)
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اس سوال کو وضاحت کے ساتھ پڑھیں
- (t² + 4)(t - 2)(t - 2)
- (t² - 4)(t² - 4)
- (t² + 4)(t + 2)(t - 2)
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- +4
- -4
- +16
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
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