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EXERCISE 19(B)3a + 4b + 7c,2x2 + xy - y?x2 - X + 1,a2 - ab + bc-5a + 3b - 60-x² + 2xy + 3y²-5x² + 2X-22ab + bc - 2a?4x - x2 + 8xy - 4x + 2y2and 4a - 2b - 40.and 3x2 - 10xy +4y2.and 3x2 - 3x + 1.and -3bc + 3a2 + ab.and -10 + 5x - 2x2.and 3y2 - xy + 6x.(IV)(vi) 3x + 4xy - y?Find the surn of:(v) 4x2 + 7 - 3x, |
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Answer» EXERCISE 19(B) 3a + 4b + 7c, 2x2 + xy - y? x2 - X + 1, a2 - ab + bc -5a + 3b - 60 -x² + 2XY + 3y² -5x² + 2X-2 2ab + bc - 2a? 4X - x2 + 8 xy - 4x + 2y2 and 4A - 2b - 40. and 3x2 - 10xy +4y2. and 3x2 - 3x + 1. |
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