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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10

Find the indicated terms of the sequences whose nth terms are given by an = 5nn+2; a6 and a13 - Mathematics

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Question

Find the indicated terms of the sequences whose nth terms are given by

an = `(5"n")/("n" + 2)`; a6 and a13

Sum

Solution

an = `(5"n")/("n" + 2)` 

a6 = `(5(6))/(6 + 2) = 30/8 = 15/4`

a13 = `(5(13))/(13 + 2) = (5 xx 13)/15 = 13/3`

a6 = `15/4`, a13 = `13/3`

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Chapter 2: Numbers and Sequences - Exercise 2.4 [Page 55]

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Samacheer Kalvi Mathematics [English] Class 10 SSLC TN Board
Chapter 2 Numbers and Sequences
Exercise 2.4 | Q 4. (i) | Page 55
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