1、定义域为R的奇函数满足:
f(-x) = -f(x),
f(-x) = 2的-X次幂+a/2的1-x次幂+b
= 1/2的X次幂+a(2的x-1次幂)+b
= (a/2)*(2的X次幂)+2/2的X+1次幂+b
-f(x) = -2的X次幂 -a/2的X+1次幂-b
∴a/2=-1,即a=-2
b=-b,即b=0 (对应相等)
∴a=-2,b=0
2、太烦了,不高兴写
1、定义域为R的奇函数满足:
f(-x) = -f(x),
f(-x) = 2的-X次幂+a/2的1-x次幂+b
= 1/2的X次幂+a(2的x-1次幂)+b
= (a/2)*(2的X次幂)+2/2的X+1次幂+b
-f(x) = -2的X次幂 -a/2的X+1次幂-b
∴a/2=-1,即a=-2
b=-b,即b=0 (对应相等)
∴a=-2,b=0
2、太烦了,不高兴写