Q) f(x)=x³-1/x³, then f(x)+f(1/x) is:
a)1
b)2
c)x²
d)0
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Answer:
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option d
Step-by-step explanation:
f(x)=x^3-1/x^3
f(1/x)=1/x^3-x^3
f(x)+f(1/x)=x^3-1/x^3+1/x^3-x^3=0
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