Guest Session: 1 Question Remaining. Create Account to save progress.
Login
Recursionmedium
0:00.0

The number of regions RnR_nRn​ created by nnn lines in general position is Rn=Rn−1+nR_n = R_{n-1} + nRn​=Rn−1​+n. What is R3R_3R3​ if R0=1R_0 = 1R0​=1?