Question

differentiate y=lnx/sqrtx

Answer 1

take your pick: quotient rule or product rule

Answer 2

product rule

Answer 3

good choice
rewrite this as\[y=\ln x(x^{-1/2})\]now if you know the product rule this should not be so bad

Answer 4

is it 1/x times -1/2x^3/2

Answer 5

no, the product rule is\[(uv)'=u'v+v'u\]what are u and v in your case?

Answer 6

sorry long time since i did maths - trying hard to bring it back

Answer 7

i thought if I worked out y=ln2x and y=1/sqrtx i could then multiply them together