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Byju's Answer
Standard XII
Mathematics
Monotonically Decreasing Functions
12 × 2-415 x+...
Question
12
x
2
-
4
15
x
+
5
=
0
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Solution
Given:
12
x
2
−
4
15
x
+
5
=
0
Here,
a
=
12
,
b
=
−
4
15
and
c
=
5
Discriminant
D
is
given
by
:
D
=
(
b
2
−
4
a
c
)
=
(
−
4
15
)
2
−
4
×
12
×
5
=
240
−
240
=
0
Thus
,
the roots of the equation are equal
.
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