Question

find n
pls
fast. exam on​

Answer 1

Answer:

(17-n)x(17-n-1)x(17-n-2)x(17-n-3)/(14-n)= 5

(17-n)x(16-n)x(15-n)x(14-n)/(14-n)= 5

(17-n)x(16-n)x(15-n)=5x4x3x2x1

-n³+ 48n²-769n+ 4080=120

n=11

Therefore n=11

Hence Showed

hope this will help u and mark this as brainliest