Solve for n where....
b) P (n,5) = 42 x P(,3) -- out of 5 marks
I know that you have to split up the equation into two sides (left side = right side)
This is as far as I've come with the question..
LS = n! divided by (n-5) RS = 42 x n! divided by 2!
please help me with the rest of the steps!
Thanks in advance