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Subjects
Mathematics CBSE
Class 10
Quadratic Equations
Textbook Questions
20.
Exemplar exercise problems IX
Exercise condition:
4
m.
State whether the following quadratic equations have
two distinct real roots
. Justify your answer.
(i)
\((x - 1)(x + 2) + 2 = 0\)
The equation has
two distinct real roots
no real roots
two equal real roots
because
D > 0
D = 0
D < 0
.
(ii)
\((x + 1)(x - 2) + x = 0\)
The equation has
two distinct real roots
two equal real roots
no real roots
because
D < 0
D = 0
D > 0
.
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