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The first two terms of an AP are (\lambda-4) and (3\lambda+2). What is the common difference?
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Answer and explanation
Correct answer: (2\lambda+6)
The common difference is second term minus first term, so (3\lambda+2-(\lambda-4)=2\lambda+6). In exams, handle the minus sign before brackets carefully.
Frequently asked questions
What is the correct answer to this question?
(2\lambda+6)
Why is this the correct answer?
The common difference is second term minus first term, so (3\lambda+2-(\lambda-4)=2\lambda+6). In exams, handle the minus sign before brackets carefully.
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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