Jika f(x) =2x^2 maka lim f(x+2h) -f(x-2h) /h
Matematika
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Pertanyaan
Jika f(x) =2x^2 maka lim f(x+2h) -f(x-2h) /h
1 Jawaban
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1. Jawaban arifsman12
F(x+2h)=2(x+2h)^2= 2x^2+8hx+8h^2
F(x-2h)=2(x-2h)^2=2x^2-8hx+8h^2
Hasil pengurangannya = 16hx
Jadi lim 16hx/hx
Lim 16x
=16x