If the value of 1 + 2 + 3 +...+ n is 55, then the
value of 13 + 23 + 33 +.... n is
(a) 3165
(b) 4385
(c) 3025
(d) 4555
Answers
Answered by
6
Answer:
option a will be right answer
Answered by
1
Step-by-step explanation:
a)3165 is correct answer.
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