Question

Which term of AP:72.63.54,.......is 0?

Answer 1

let An = 0

given that A= 72

d= -9

we have to find n

so by the formulae

An = a+ (n-1)d

0= 72 + (n-1)(-9)

0= 72 - 9n + 9

0= 81 - 9n

81 = 9n

n = 9

hence 9th term of this Ap is 0.

Please mark as brainliest...

Answer 2

hehe he has already answered that's correct n=9. is the answer . hope u don't mind......