Math, asked by shabeerjaanu776, 7 months ago

find the sum of h terms of series 5+55+555+......

Answers

Answered by biologicalexpert

0

Answer:

H^n=n/2{2a+(n-1)}d

Step-by-step explanation:

put value of à =5

put value of n (which is not given here)

put value of d =55-5=50

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