मराठी

Find the indicated term in the following sequence whose nth term is: an=n22n; a7

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प्रश्न

Find the indicated term in the following sequence whose nth term is:

`a_n = n^2/2^n`; `a_7`

बेरीज
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उत्तर

an = `"n"^2/2^"n"`

Substituting n = 7, we obtain

a7 = `7^2/2^7`

= `49/128`

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पाठ 8: Sequences and Series - EXERCISE 8.1 [पृष्ठ १३८]

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एनसीईआरटी Mathematics [English] Class 11
पाठ 8 Sequences and Series
EXERCISE 8.1 | Q 8. | पृष्ठ १३८
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