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解;
定义域为:
x+3>0
x+2≠0
∴x∈(-3,-2)和(-2,+无穷)
f(-3)=√-3+3+1/(-3+2)=-1
f(2/3)=√2/3+3+1/(2/3+2)
=√11/3+1/(8/3)
=√33/3+3/8
=(9+8√33)/24
定义域为:
x+3>0
x+2≠0
∴x∈(-3,-2)和(-2,+无穷)
f(-3)=√-3+3+1/(-3+2)=-1
f(2/3)=√2/3+3+1/(2/3+2)
=√11/3+1/(8/3)
=√33/3+3/8
=(9+8√33)/24
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