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91. If alpha and beta are roots of equation x(square) + px - q = 0 and gama and delta are roots of equation x (square) + px + r = 0 . Then prove that the value of (alpha-gama)(alpha-delta) is (q+r). |
| Answer» 91. If alpha and beta are roots of equation x(square) + px - q = 0 and gama and delta are roots of equation x (square) + px + r = 0 . Then prove that the value of (alpha-gama)(alpha-delta) is (q+r). | |