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If twice each term of (1, 4, 7,\ldots) is taken and then (1) is subtracted, what will be the common difference of the new sequence?
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Answer and explanation
Correct answer: (6)
The original (d=3); doubling makes (d=6), and subtracting (1) does not change (d). Multiplication changes (d), equal subtraction does not.
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What is the correct answer to this question?
(6)
Why is this the correct answer?
The original (d=3); doubling makes (d=6), and subtracting (1) does not change (d). Multiplication changes (d), equal subtraction does not.
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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