Given px2 + qx + r = 0, pick out the incorrect statement from the following:
I. Roots are equal if q2 = 4pr
II. Roots are equal but opposite in sign if q = 0
III. One root is reciprocal of the other if p = r
IV. Roots are complex if q2 > 4pr
Given px2 + qx + r = 0, pick out the incorrect statement from the following:
I. Roots are equal if q2 = 4pr
II. Roots are equal but opposite in sign if q = 0
III. One root is reciprocal of the other if p = r
IV. Roots are complex if q2 > 4pr
Option 1 -
(I)
Option 2 -
(II)
Option 3 -
(III)
Option 4 -
(IV)
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:If D < 0 roots are imaginary.
i.e. q2 – 4pr < 0 q2 < 4pr
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