Math Test Grade 1: 5-question challenge
数検1級
Practice questions
Which is the value of lim(x→0) sinx/x?
- 1
- 0
- 1/2
- ∞
Which is the value of lim(x→∞) (x²+1)/(2x²-3)?
- 1
- ∞
- 1/2
- 0
What is the area enclosed by the graph of y=x³-4x and the x-axis?
- 6
- 10
- 4
- 8
What is the indefinite integral of ∫ sin(2x) dx?
- 2cos(2x)+C
- -2cos(2x)+C
- cos(2x)+C
- -cos(2x)/2+C
In the complex plane, what is the argument of i?
- π
- π/4
- π/2
- 0
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