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प्रश्न
Multiply the given polynomial.
`2y + 1 ; y^2 - 2y^3 + 3y`
उत्तर
`(2y + 1) xx ( y^2 - 2y^3 + 3y)`
`= 2y (y^2 - 2y^3 + 3y) + 1 (y^2 - 2y^3 + 3y)`
`= 2y^3 - 4y^4 +6y^2 + y^2 - 2y^3 + 3y`
`= -4y^4 + 2y^3 - 2y^3 +6y^2 + y^2 + 3y`
`= -4y^4 +7y^2 + 3y`
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