Question

y3(y-3)+3x(3-x)+xy(x-y) factorise the following.......please never answer if you can't else I will report all your answers.....​

Answer 1

Step-by-step explanation:

Planck's law describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium at a given temperature T, when there is no net flow of matter or energy between the body and its environment.