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JEE MAIN
29-01-24 S1
Question
Consider the function $\mathrm{f}:\left[\frac{1}{2}, 1\right] \rightarrow \mathrm{R}$ defined by $f(x)=4 \sqrt{2} x^3-3 \sqrt{2} x-1$. Consider the statements (I) The curve y=f(x) intersects the x-axis exactly at one point (II) The curve y=f(x) intersects the x-axis at $\mathrm{x}=\cos \frac{\pi}{12}$ Then
Select the correct option:
A
Only (II) is correct
B
Both (I) and (II) are incorrect
C
Only (I) is correct
D
Both (I) and (II) are correct
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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JEE Main
Mathematics
Easy
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