题目内容
若n为正整数,则化简(-
)2n+1=______.
ab3 |
x2 |
∵n为正整数,
∴(-
)2n+1=-
.
故答案为:-
.
∴(-
ab3 |
x2 |
a2n+1b6n+3 |
x4n+2 |
故答案为:-
a2n+1b6n+3 |
x4n+2 |
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题目内容
ab3 |
x2 |
ab3 |
x2 |
a2n+1b6n+3 |
x4n+2 |
a2n+1b6n+3 |
x4n+2 |