Q1. Find the sum using column method: 2x² - 8y², 5y² + 2x² + 5, -4x² + y² -3.
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Answer:
0+3y^2+2.
Step-by-step explanation:
2x^2-8y^2+5y^2+2x^2+5-4x^2+y^2-3.
(2+2-4)x^2+(-8+5+1)y^2+(5-3).
0+-3y^2+2.
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