Question

what is the value of15C4+15C5=​

Answer 1

Step-by-step explanation:

15C4 + 15C5

(15*14*13*12/4*3*2*1)+(15*14*13*12*11/5*4*3*2*1)

(15*14*13*12/4*3*2*1)(1+11/5)

15*14*13*12*16/5*4*3*2*1

(15*14*13*12*16)/15*8*1

14*13*12*2

182*24

4368