BC |
AB |
AB |
BC |
AB |
BC |
OA1 |
OA1 |
1 |
2 |
2π |
3 |
An-1An |
A.b2=
| ||
B.b3k+1-b3k=0(k∈N*) | ||
C.a3k+1-a3k-1=0(k∈N*) | ||
D.8(ak+4-ak+3)+(ak+1-ak)=0(k∈N*) |
OA1 |
OA2 |
2π |
3 |
2π |
3 |
3 |
3 |
3 |
OA |
OA1 |
A1A2 |
An-1An |
2π |
3 |
2π |
3 |
4π |
3 |
4π |
3 |
1 |
2 |
2(n-1)π |
3 |
1 |
2 |
2(n-1)π |
3 |
2π |
3 |
4π |
3 |
1 |
2 |
2(n-1)π |
3 |
2π |
3 |
4π |
3 |
1 |
2 |
2(n-1)π |
3 |
1 |
2 |
2(3k+1-1)π |
3 |
1 |
2 |
2×3kπ |
3 |
1 |
2 |
1 |
2 |
2(3k+1-1)π |
3 |
1 |
2 |
2(3k-1)π |
3 |
1 |
2 |
1 |
2 |
π |
3 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
A.若m⊥α,m⊥β,则α⊥β | B.若m∥α,m∥β,则α∥β |
C.若m⊥α,m∥β,则α⊥β | D.若m⊥α,m∥β,则α∥β |
-x2+2x |
π |
4 |
4 |
3 |
f(x1)+f(x2) |
2 |
x1+x2 |
2 |
a-ex |
1+aex |
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