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Byju's Answer
Standard XII
Mathematics
Period of Trigonometric Ratios
The number of...
Question
The number of solutions of the equations
sin
x
=
x
2
+
x
+
1
is:
A
0
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B
1
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C
2
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D
None of these
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Solution
The correct option is
A
0
Consider the problem
Let Draw the graph for
x
2
+
x
+
1
and graph of
sin
x
Since, from the graph
there is no interaction between
sin
x
and
x
2
+
x
+
1
.
So,
the equation
sin
x
=
x
2
+
x
+
1
does not have any solution.
Hence,
Option
A
is correct answer.
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0
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