find the common difference of the AP whose 8th term and 19th
terms are 17and 39 respectively
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good... answer is 2 ... mark me as the brainliest
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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
mark me brainlest
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