AP EAMCET · Maths · Sequences and Series
If \(x=\frac{3}{10}+\frac{3 \cdot 7}{10 \cdot 15}+\frac{3 \cdot 7 \cdot 9}{10 \cdot 15 \cdot 20}+\ldots\), then \(5 x+8=\)
- A \(\frac{5 \sqrt{5}}{3 \sqrt{3}}\)
- B \(\frac{5 \sqrt{5}}{\sqrt{3}}\)
- C \(\frac{3 \sqrt{3}}{\sqrt{5}}\)
- D \(\frac{25 \sqrt{5}}{3 \sqrt{3}}\)
Answer & Solution
Correct Answer
(D) \(\frac{25 \sqrt{5}}{3 \sqrt{3}}\)
Step-by-step Solution
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