Question

Найти производную функции

Answer 1

1.
(1/3х³-1/4х²+2х+3)`=1/3•3х²-1/4•2х+2=х²-0,5х+2
х0=2, 2²-0,5•2+2=4-1+2=5
2.
у= 5х-1
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Х+4

= (5х-1) `•(х+4) -(х+4)`•(5х-1)
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(х+4)²

= 5•(х+4) -4•(5х-1)
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(х+4)²

= 5х+20-20х+4
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(х+4)²

= -15х+24
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(х+4)²