y= x4 / x7
Quotientenregel ( long version )
u = x^4
u´= 4 * x^3
v = x^7
v ´= 7 * x^6
v^2 = x^14
( u / v ) ´ = ( u´ * v - u * v´ ) / v2
( u / v ) ´ = ( 4 * x^3 * x^7 - x^4 * 7 * x^6 ) / x^14
( u / v ) ´ = ( 4 * x^10 - 7 * x^10 ) / x^14
( u / v ) ´ = ( -3 * x^10 ) / x^14
( u / v ) ´ = -3 / x^4
Quotientenregel ( short version )
y = 1 / x3
y´ = -3 * x^2 / x^6
y ´ = -3 / x^4