Question

If the roots of px2 + qx +2 = 0 are reciprocal of each other, then Select one:<br /><br />a. p = 0<br /><br />b. p = 2<br /><br />c. p = -2<br /><br />d. p = 1<br /><br />​

Answer 1

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ANSWER

If the roots are reciprocal of each other.

Then product of roots will be 1.

Product of roots =

p

2

=1

∴p=2