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If 2 and 6 are the roots of the equation ax 2 + bx + 1 = 0, then the quadratic equation, whose roots are b a 2 1 + and b a 6 1 + , is-

1. 2x 2 + 11x + 12 = 0
2. 4x 2 + 14x + 12 = 0
3. x 2 + 10x + 16 = 0
4. x 2 + 8x + 12 = 0

Correct answer: x 2 + 8x + 12 = 0

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