Question

find the common difference of the AP whose 8th term and 19th
terms are 17and 39 respectively
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Answer 1

good... answer is 2 ... mark me as the brainliest

Answer 2

Answer:

the common difference of the AP whose 8th term and 19th

terms are 17and 39 is 2.

Step-by-step explanation:

t⁸=a+7d=17

t¹⁹=a+18d=39

then

a=17-7d

a=39-18d

According to question

17-7d=39-18d

18d-7d=39-17

11d=22

d=22/11

d=2

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