Question

for an A. p. if tn =24, n=12, d=2,then a=?​

Answer 1

Answer:

an=24

n=12

d=2

an=a+(n-1)d

24=a+(12-1)2

24=a+11*2

24=a+22

a=24-22

a=2

Answer 2

tn=a+(n-1)d

24=a+(12-1)2

24=a+22

24-22=a

2=a

a=2