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प्रश्न
Add the given polynomial.
`2y^2 + 7y + 5 ; 3y + 9 ; 3y^2 - 4y - 3`
उत्तर
`(2y^2 + 7y + 5) + (3y + 9) + ( 3y^2 - 4y - 3)`
`= 2y^2 + 3y^2 + 7y + 3y - 4y +5 +9 - 3`
`= 5y^2 +6y +11`
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