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Question
The graph of a polynomial f(x) is as shown in figure. Write the number of real zeros of f(x).

Graph
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Solution
The graph of a polynomial f(x) touches x-axis at two points

The curve y = f(x) crosses or touches the x-axis at three distinct points.
These are the points where f(x) = 0.
Number of real zeros = 3
The polynomial has 3 real zeros because it intersects the x-axis at three points.
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