JEE Main 9 Jan 2020 Shift 1 Solved Paper

Section: Mathematics

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Question : 68 of 75

Marks: +1, -0

If f(x)={

sin(a+2)‌x+sin‌x

x

x<0

b

x=0

(x+3x2)

1

3

−x

1

3

x

4

3

x>0

is continuous at x = 0, then a + 2b is equal to :

[9 Jan 2020 Shift 1]

-1
1
-2
0

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