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Dvinal [7]
3 years ago
7

If f(x) = x2 + 2x, then find f(a+h)-f(a)

Mathematics
1 answer:
sertanlavr [38]3 years ago
6 0
Subsitute a+h for x and a for x


f(a+h)-f(a)=
(a+h)^2+2(a+h)-(a^2+2a)
a^2+2ah+h^2+2a+2h-a^2-2a
2ah+h^2 is the result
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