1.

Find the sum of the following series : (i) 5 + 55 + 555 + ... to n terms. (ii) 7 + 77 + 777 + ... to n terms. (iii) 9 + 99 + 9999 + ... to n terms. (iv) 0.5 + 0.55 + 0.555 + ... to n terms. (v) 0.6 + 0.66 + 0.666 + ... to n terms.

Answer»

Find the sum of the following series :

(i) 5 + 55 + 555 + ... to n terms.

(ii) 7 + 77 + 777 + ... to n terms.

(iii) 9 + 99 + 9999 + ... to n terms.

(iv) 0.5 + 0.55 + 0.555 + ... to n terms.

(v) 0.6 + 0.66 + 0.666 + ... to n terms.



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