Question

in an AP a=7 d=2 and an=27 tyen n is​

Answer 1

Answer:

an = a + ( n - 1) d

27 = 7 + ( n - 1) 2

27 = 7 + 2n - 2

27 = 5 + 2n

27 - 5 = 2n

22 = 2n

n = 22/2

n = 11

thank you

Answer 2

Answer:

an=a+(n-1)d

a27=7+(n-1)2

a27=7+2n-2

a27-5=2n

22=2n

n=22/2

N=11