Let and be the roots of the equation
where a>-1.
Then and are
(A) and 1 (B) and -1 (C) and 2 (D) and 3
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[JEE 2012]
Solution
The following is a short method making use of the options.
Consider the product of the limits,
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Only option (B) gives us 1/2 as the product.
Hence, (B).