Q4Short answerExercise 5.2
Two APs have the same common difference. The first term of one AP is 2 and that of the other is 7. The difference between their 10th terms is the same as the difference between their 21st terms, which is the same as the difference between any two corresponding terms. Why?
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The difference between any two corresponding terms of such APs is the same as the difference between their first terms.