Let f be a polynomial function such that f(3x)=f′(x).f′′(x), for all x∈R. Then :
Held on 9 Apr 2017 · Verified 6 Jul 2026.
f(2)+f′(2)=28
f′′(2)−f′(2)=0
f(2)−f′(2)+f′′(2)=10
f′′(2)−f(2)=4
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