**Q2: **

Find the value of .

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**Q3: **

Find the value of .

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**Q4: **

Express the series in sigma notation.

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**Q5: **

Express the series in sigma notation.

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- E

**Q6: **

Express the series in sigma notation.

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- E

**Q7: **

Express the series in sigma notation.

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- E

**Q8: **

Find the value of .

**Q9: **

Represent the series using sigma notation.

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- D
- E

**Q10: **

Represent the series using sigma notation.

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- E

**Q11: **

Represent the series using sigma notation.

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- E

**Q12: **

Represent the series using sigma notation.

- A
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- D
- E