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If (4t+1,t+10,-t+21) are consecutive terms of an AP, what are (t) and (d)?
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Answer and explanation
Correct answer: (t=-2,d=15)
Equal differences give (-3t+9=-2t+11), so (t=-2) and (d=15). In exams, subtract first from second and second from third.
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What is the correct answer to this question?
(t=-2,d=15)
Why is this the correct answer?
Equal differences give (-3t+9=-2t+11), so (t=-2) and (d=15). In exams, subtract first from second and second from third.
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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