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The (n)th term of a sequence is (a_n=11-3(n-1)). What are the first term and common difference?
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Answer and explanation
Correct answer: (a_1=11,d=-3)
Putting (n=1) gives the first term (11), and each step adds (-3). In exams, recognize the form (a+d(n-1)).
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What is the correct answer to this question?
(a_1=11,d=-3)
Why is this the correct answer?
Putting (n=1) gives the first term (11), and each step adds (-3). In exams, recognize 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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