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प्रश्न
Subtract the following expressions:
–a2 – ab from b2 + ab
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उत्तर
We have, b2 + ab – (–a2 – ab) = b2 + ab + a2 + ab
On combining the like terms,
= b2 + a2 + ab + ab
= a2 + b2 + 2ab
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