Question:

Let {π‘Žπ‘› }𝑛β‰₯1 be a sequence such that π‘Ž1=1 and 4π‘Žπ‘›+1=45+16π‘Žπ‘›,𝑛\sqrt{45 + 16π‘Ž_𝑛} ,𝑛=1, 2, 3, … . Then, which one of the following statements is TRUE?

Updated On: Oct 1, 2024
  • {π‘Žπ‘› }𝑛β‰₯1 is monotonically increasing and converges to 178\frac{17}{8}
  • {π‘Žπ‘› }𝑛β‰₯1 is monotonically increasing and converges to 94\frac{9}{4}
  • {π‘Žπ‘› }𝑛β‰₯11 is bounded above by 178\frac{17}{8}
  • βˆ‘n=1∞anβˆ‘^∞ _ {n=1} a_n is convergent
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The Correct Option is B

Solution and Explanation

The correct option is (B): {π‘Žπ‘› }𝑛β‰₯1 is monotonically increasing and converges to 94\frac{9}{4}
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