What is the integral ∫ - 2 to - 3 1 / x -2 in the top - 3 in the bottom, senior three today's four school joint examination questions, hope the expert guidance, whether can be negative

What is the integral ∫ - 2 to - 3 1 / x -2 in the top - 3 in the bottom, senior three today's four school joint examination questions, hope the expert guidance, whether can be negative

∫ 1/x=lnx

What is the integral of x ^ 2 / 2?

∫x^2/2dx=x³/6+C

1 mm = how many threads? 1 mm = how many "Muses"? 1 wire = how many "Muses"?

Rice
m
Main unit
Decimeter
dm
1/10
10-1
centimeter
cm
1/100
10-2
millimeter
mm
1/1000
10-3
Simi
dmm
1/10000
10-4
Humi
cmm
1/100000
10-5
micron
μ
1/1000000
10-6
nanometer
nm
1/10000000
10-9
Therefore, 1 mm = 10 SM, 1 mm = 1000 μ m, 1 wire = 100 μ M