Please help me on this imagine math question!
2 answers:
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Answer:
Step-by-step explanation:
Given that,
...(1)
We need to find the value of .
Put n = 1 to find the first term.
Put n = 2 to find the second term.
Put n = 3 to find the third term.
Put n = 10 to find the tenth term.
It means we need to find the sum of 5,7,9,.....,23.
The formula for the sum of n terms is given by :
We have, n = 10, a = 5 and
So,
So, the value of is equal to 280.
See the picture attached to get your answer..
Hope it would help you out.
