Question

Find the 12the term from the end of the AP :-2, -4, -6, ...., -100.​

Answer 1

Answer:

a=-100

d=2

an=-2

Step-by-step explanation:

an=a+(n-1)d

-2=-100+(n-1)2

98=(n-1)2

49=n-1

n=50

a12= -100+(12-1)2

a12= -100+22

a12=-78