Due in 2 minutes, please help me!1+2+3+4+5+...+112
1 answer:
Step-by-step explanation:
we can idnetify that it is arithmetic due to it being a linear sequnce. Therefore we find Tn and equate it to the last term to find the number of terms. We then use that to find the sum of the series using the following formula where n is the number of terms, a is the first term and L represents your last term.
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Answer:
Step-by-step explanation:
Solution in the attachment box
Draw the triangles it is important
