Question
For the following arithmetic progressions write the first term a and the common difference d:
$0.3, 0.55, 0.80, 1.05, ....$
$0.3, 0.55, 0.80, 1.05, ....$
✓
Answer
$0.3, 0.55, 0.80, 1.05, .....$
Here first term $(a) = 0.3$
We have $= a_2 - a_1 = 0.55 - 0.3 = 0.25$
$a_3 - a_2 = 0.80 - 0.55 = 0.25$
$\therefore$ Common difference $= 0.25.$
Here first term $(a) = 0.3$
We have $= a_2 - a_1 = 0.55 - 0.3 = 0.25$
$a_3 - a_2 = 0.80 - 0.55 = 0.25$
$\therefore$ Common difference $= 0.25.$
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