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प्रश्न
Choose the correct alternative:
The equation whose roots are numerically equal but opposite in sign to the roots of 3x2 − 5x − 7 = 0 is
पर्याय
3x2 − 5x − 7 = 0
3x2 + 5x − 7 = 0
3x2 − 5x + 7 = 0
3x2 + x − 7 = 0
उत्तर
3x2 + 5x − 7 = 0
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