What is the general solution to the differential equation dwdτ=7τ6\frac{dw}{d\tau} = 7\tau^6dτdw=7τ6?
w=τ7+Cw = \tau^7 + Cw=τ7+C
w=42τ5+Cw = 42\tau^5 + Cw=42τ5+C
w=76τ7+Cw = \frac{7}{6}\tau^7 + Cw=67τ7+C
w=7τ7+Cw = 7\tau^7 + Cw=7τ7+C