The answer to this is distribution!! have a good day!!!
28 + 29 + 42 = 28 + 42 + 29 = 99
Commutative property: a + b = b + a
The correct answer is -b+12
The quotient rule is
d(u/v) = (u dv - v du) / u2
d(u/v) can written as
d( u (1/v) )
Using the product rule and chain rule
d( u (1/v)) = u d(1/v) + (1/v) du
= u (-1/v2) dv + (!/v) du
= (u dv - v du) / u2
