Question

ac 23. If a. B are the roots of ax' + 2bx + c = 0 and y. 8 are the roots of Ax?+ 2Bx +C =0, such 3 6 - ac a.B.7.8 are in A.P, then В - АС is А a) А b) . d)


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Answer 1

Answer:

Add:a) x3 – 2x²y + 3xy2 – y3, 2x3 - 5xy2 + 3x2y - 4y3 ... (x^3 - 2x^2y + 3xy^2 - y^3) + (2x^3 - 5xy^2 + 3x^2y - 4y^3). => (1 + 2)x^3 + (-2 ...