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If (a_n=c-(n-1)r), what are the first term and common difference?
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Answer and explanation
Correct answer: (a_1=c,d=-r)
Putting (n=1) gives (a_1=c), and each next term subtracts (r). In exams, compare with the form (a+d(n-1)).
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What is the correct answer to this question?
(a_1=c,d=-r)
Why is this the correct answer?
Putting (n=1) gives (a_1=c), and each next term subtracts (r). In exams, compare with the form (a+d(n-1)).
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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