1.

Find the nth term of the following sequence :5 + 55 + 555 + . . . . Tn

A. (10n - 1)
B. n(10n - 1)
C. $\frac{5}{9} \times \left( {{{10}^n} - 1} \right)$$
D. ${\left( {\frac{5}{9}} \right)^n} \times \left( {{{10}^n} - 1} \right)$$
Answer» D. ${\left( {\frac{5}{9}} \right)^n} \times \left( {{{10}^n} - 1} \right)$$


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