Question

can any term of AP 12,17,22,27 be zero ? why ?​

Answer 1

no
a = 12
d = 17-12 = 5
an = 0
an = a + ( n - 1 ) d
0 = 12 + 5 ( n - 1 )
0 = 12 + 5n - 5
0 = 7 + 5n
n = -7/5
since, n is not an whole number
therefore zero cannot be any term of the given ap