Question

7th term is 49 and 17th term is 289 find the nth term

Answer 1

nth term = 24n - 119

Step-by-step explanation:

7th term = 49

=> a + 6 d = 49...........eq. 1

17th term = 289

=> a + 16d = 289 ...........eq.2

solving 1 and 2

a + 16d = 289

a + 6d. = 49

---------------------

10d = 240

d = 24

from equation 1

=> a = 49 - 6d

=> a = 49 - 144

=> a = - 95

nth term

= -95 + ( n - 1 ) 24

= -95 + 24n - 24

= 24n - 119

Answer 2

Answer:

the answer is n²

Step-by-step explanation:

since, 7²=49

and 17²=289

therefore, nth term will be n²

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