Question

derive following equation:

Answer 1

derived

Answer 2

\[-\frac{ d }{ dx}\left[ \frac{ -ax }{ b ^{2}+ x ^{2} } \right]\]

Answer 3

\[\frac{ -d }{ dx }\left[ \frac{ -ax }{b ^{2}+ x ^{2} } \right]\]

Answer 4

the answer in my book is \[\frac{ a(b ^{2}-x ^{2} }{ (b ^{^{2}} +x^2)^2}\]
i have used the quotient rule but it doesnt work :/

Answer 5

@experimentX @UnkleRhaukus