Question

If 5th term of an A.P. is 14 and 11th term is 26, then its 21st term is:​

Answer 1

Answer:

the answer should be 46...

Answer 2

Answer:

46

Step-by-step explanation:

So, 5th term of A.P. –14 . But how ?

then –2 × 5 = 10 + 4 = 14

Then , 11th term of A.T.P = 26.

because; 2 × 11 = 22 + 4 = 26

So, the term of 21st = 46

because, 2 × 21 = 42 + 4 = 46