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Byju's Answer
Standard XII
Mathematics
Algebra of Derivatives
The maximum o...
Question
The maximum of
4
sin
2
x
+
3
cos
2
x
is
A
4
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B
3
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C
7
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D
5
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Solution
The correct option is
A
4
4
sin
2
x
+
3
cos
2
x
=
4
sin
2
x
+
3
−
3
sin
2
x
=
3
+
sin
2
x
Thus, the maximum value of the expression becomes
4
since the maximum value of
sin
2
x
is
1
.
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