Question

plz help me .... which term of the AP :120,126,112.....is first negative term ??​

Answer 1

Answer:

120, 126, 112 , are not in AP .......

question is wrong

Answer 2

Answer:

In this ap

a=120, d= -4

Since an is Therefore

An a+(n-1)d120+(n-1)(-4)(n-1)(-4) < -120

(n-1)n-1n

Therefore,

30 the term is negative