please answer this question
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m^2 - n^2 =
or
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- a ≠ 0
- m² - n²
- m² - n²
Here,
We know that,
- a² - b² = (a + b)(a - b)
Here,
- m² - n² = (m + n)(m - n)
Substituting the values,
- (m + n)(m - n)
Therefore,
- m² - n² = 4
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