PYQ - Find the sum of the given series — task. Maths TNSB Mentoring, Class 10 Crash course.

Find the sum to \(n\) terms of the series \(3 + 33 + 333 + …\)

Answer:

The sum of the series \(=\)

\frac{i (i^{i} - i)}{i} - \frac{i i}{i}

[Note: Enter the numbers and variables in separate boxes.]

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9. PYQ - Find the sum of the given series