How to make LED LAMP,Bulb,and all about creation and inovation of LED
TKA SBMPTN 2014
Jika m dan n bilangan real dan fungsi f(x) = mx³ + 2x² - nx + 5 memenuhi f'(1) = f'(-5) = 0, maka 3m - n = ...
A. -6
B. -4
C. -2
D. 2
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