问题
选择题
阅读下面问题:
根据上面解法作出选择:已知Pn是反比例函数yn=
|
答案
S△OP1M1+S△OP2M2+S△OP3M3+…+S△OP2009M2009
=
(1 2
+1
+12
+1
+3 2
+…+1 2+ 3
)1
+2010 2009
=
(-1+1 2
-2
+2
-3
+2+…-3
+2009
)2010
=
(1 2
-1).2010
故选C.
阅读下面问题:
根据上面解法作出选择:已知Pn是反比例函数yn=
|
S△OP1M1+S△OP2M2+S△OP3M3+…+S△OP2009M2009
=
(1 2
+1
+12
+1
+3 2
+…+1 2+ 3
)1
+2010 2009
=
(-1+1 2
-2
+2
-3
+2+…-3
+2009
)2010
=
(1 2
-1).2010
故选C.