हिंदी

The third term of G.P. is 4. The product of its first 5 terms is ______.

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प्रश्न

The third term of G.P. is 4. The product of its first 5 terms is ______.

विकल्प

  • 4

  • 4

  • 4

  • None of these

MCQ
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उत्तर

The third term of G.P. is 4. The product of its first 5 terms is 45.

Explanation:

Given that T3 = 4

⇒ ar3–1 = 4

⇒ ar2 = 4

Product of first 5 terms = a · ar · ar2 · ar3 · ar4

= a5r10

= (ar2)5

= (4)

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अध्याय 9: Sequences and Series - Exercise [पृष्ठ १६३]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 11
अध्याय 9 Sequences and Series
Exercise | Q 18 | पृष्ठ १६३

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