IF f(x)=x^3–x^2+x+1 find the value of f(1)+f(–1)/2
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here is your answer mate...
Step-by-step explanation:
f(x)=x^3–x^2+x+1
f(1)=1+1+1+1
f(1)=4
f(–1/2)= -1/8+1/4+1/2+1
= -13/8
f(1)+f(–1)/2=19/8
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