4x | ||
f(x)= | ||
x+2 |
4x | 4x+8−8 | 4(x+2) | 8 | 1 | 1 | ||||||
= | = | − | =4−8* | =4+8* | |||||||
x+2 | x+2 | x+2 | x+2 | x+2 | −2−x |
1 | 1 | −x | −x | |||||
=4+8* | * | =4−4*(1+ | +( | )2+....) | ||||
−2 | 1+x/2 | 2 | 2 |
x | x2 | x3 | ||||
=4−4*(1− | + | − | +....) | |||
2 | 4 | 8 |
x3 | ||
=4−4+2x−x2+ | −.. | |
2 |
x3 | ||
=2x−x2+ | −.. | |
2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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