In an AP, (a_4=12) and (a_{10}=-6). What is the common difference?
Answer and explanation
Correct answer: (-3)
(a_{10}-a_4=6d=-18), so (d=-3). In exams, divide the total change by the gap in term numbers.
Frequently asked questions
What is the correct answer to this question?
(-3)
Why is this the correct answer?
(a_{10}-a_4=6d=-18), so (d=-3). In exams, divide the total change by the gap in term numbers.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Introduction to APs and common difference..
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