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Byju's Answer
Standard XII
Mathematics
Definite Integral as Limit of Sum
Solve the fol...
Question
Solve the following inequality:
x
2
−
36
x
2
−
9
x
+
18
<
0
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Solution
Given equation is
x
2
−
36
x
2
−
9
x
+
18
<0
Now solve for equation for equal to zero. now we have,
x
2
−
36
=
0
but
x
2
−
9
x
+
18
=
0
now
x
2
−
36
=
0
x
2
=
36
−
6
<
x
<
6
Now,
x
2
−
9
x
+
18
=
0
x
2
−
6
x
−
3
x
+
18
=
0
x
(
x
−
6
)
−
3
(
x
−
6
)
=
0
(
x
−
6
)
(
x
−
3
)
=
0
x
∈
(
6
,
3
)
so the final value for x for the equation
x
2
−
36
x
2
−
9
x
+
18
<
0
is
x
∈
(
−
6
,
3
)
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