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JEE MAIN 2020
09-01-20 S1
Question
If $f(x)= \begin{cases}\frac{\sin (a+2) x+\sin x}{x} & ; x<0 \\ b \quad ; & x=0 \\ \frac{\left(x+3 x^2\right)^{1 / 3}-x^{1 / 3}}{x^{4 / 3}} & ; x>0\end{cases}$ is continuous at $x=0$, then $a+2 b$ is equal to
Select the correct option:
A
-1
B
1
C
00
D
-2
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solution Image
Question Tags
JEE Main
Mathematics
Medium
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