4. Sum the following series to n terms :
(i) 1 + 11 + 111 +......
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Answered by
4
Answer:
The answer is 12345 as (1+11+111+1111+11111) is (1+11+111+12222)=(1+11+12333)=(1+12344)=(12345). => 1+11+111+1111+11111? 12345 ans. What is the sum of the series of 2*2+6*4+12*8+20*16+30*32 till n terms?
Answered by
2
Answer:
1111 ........................
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