Question

6 term is 19 and 10 term 31 what is the common different
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Answer 1

Answer:

$6th \: term = 19 \\ a + 5d = 19 \\ 10th \: term = 31 \\ a + 9d = 31 \\ subtracting \: both \: the \: equations \: \\ a + 9d - a - 5d = 31 - 19 \\ 4d = 12 \\ d = \frac{12}{4} \\ d = 3$

Answer 2

Answer:

ans :- d=3

hope it's useful ....