𝑎² − 𝑏² = ______?
- 𝑎² + 2𝑎𝑏 + 𝑏²
- (𝒂 − 𝒃)(𝒂 + 𝒃)
- 𝑎² − 2𝑎𝑏 + 𝑏²
- None of these
Explanation
The formula for the difference of squares is 𝑎² − 𝑏² = (𝑎 − 𝑏)(𝑎 + 𝑏).
The formula for the difference of squares is 𝑎² − 𝑏² = (𝑎 − 𝑏)(𝑎 + 𝑏).
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