Question

the value of 10p2+10c2 is 351,513,531,135​

Answer 1

Answer:

135

Step-by-step explanation:

10p2  + 10c2

(10!/8!) + (10!/(2!*8!))                   npr=n!/(n-r)! ; ncr=n!/(r!*(n-r)!)

90 + 45

135