推 a8246s:謝謝 大概懂了^^ 114.26.16.137 06/29 05:49
※ 引述《a8246s (甘心)》之銘言：
: x lim f(x)
: 1.∫ √1+sint dt 求 x→0 ______ = ?
: 0 x
:
lim f(x) -f(0) ______
----------- = f'(0) = √1+sin0 = 1
x→0 x-0
dy |
: 2. 若 y = f( x^3 + x + 1 ) 且 f'(3) = 4 則 ____| = ?
: dx |x=1
2
f'(x^3 + x + 1) * (3x + 1) = y'
y'(1) = f'(3) * (4) = 16
: 有請各位大大指教~謝謝!!
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