Question

plz silve this sum plz​

Answer 1

Answer:

$a = 2. \: d = 9$

Step-by-step explanation:

$tn = 560$

$tn = a + (n - 1) + d$

ok MY LOVELY FRIEND

Answer 2

Answer:

n=63

Step-by-step explanation:

a=2, d=11-2=9, tn=560

tn=a+(n-1)d

560=2+(n-1)9

560=2+9n-9

560=-7+9n

560+7=9n

567=9n

n=567/9

n=63