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प्रश्न
Add the following expressions:
x3 – x2y – xy2 – y3 and x3 – 2x2y + 3xy2 + 4y
बेरीज
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उत्तर
We have, x3 – x2y – xy2 – y3 + x3 – 2x2y + 3xy2 + 4y
On combining the like terms,
= x3 + x3 – x2y – 2x2y – xy2 + 3xy2 – y3 + 4y
= 2x3 – 3x2y + 2xy2 – y3 + 4y
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