Question

Lagi lagi sekitar kalkulus , f(x) = x ( x pangkat 2 + 1 ) .. teruss f(x) = (x-1)/(x+1) .. teruss y = 3 sinx - 5 cosx . tlg yah 3 soal beruntun

Answer 1

F(x)= x(x²+1)=x³+x
f'(x)=3x²+1

f(x)=(x-1)/(x+1)
f'(x)=2/(x+1)²

y=3sinx - 5 cos x
y'=3cosx +5sinx