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Byju's Answer
Standard XII
Mathematics
Nature of Roots
Find the natu...
Question
Find the nature of the roots of the following quadratic quadratic equations if the real roots exist find them 2 x square - 3 x + 5 is equal to zero
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Solution
The
given
equation
is
,
2
x
2
-
3
x
+
5
=
0
Now
,
comparing
it
with
ax
2
+
bx
+
c
=
0
,
we
get
a
=
2
;
b
=
-
3
;
c
=
5
Now
,
D
=
b
2
-
4
ac
=
-
3
2
-
4
×
2
×
5
=
9
-
40
=
-
31
<
0
Since
,
D
<
0
,
so
the
given
equation
has
no
real
roots
.
Regards
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