If the root of the quadratic equation 3x²-7x-5 is a and b, find equation whose roots are (1/a) and (1/b)

University of Ilorin MTH101 2025C past question

1. 5x²+7x-3=0
2. 5x²-7x-3=0
3. 3x²+7x-5=0
4. 3x²-7x+5=0

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