SOLUTION: Find the sum of the geometric series in a - c A.2+6+18+54+162 B.1+1/2 +1/4+........ Find the sum of the arithmetic series A.4+1-2-5.......-32 B.1+3/2 +2+ 5/2 +....+15/2

Question 1115758: Find the sum of the geometric series in a - c
A.2+6+18+54+162
B.1+1/2 +1/4+........
Find the sum of the arithmetic series
A.4+1-2-5.......-32
B.1+3/2 +2+ 5/2 +....+15/2

Solve the following system of linear equations by using the inverse matrix method:
{2x+9y=-1}
{4x+y=15}

Please I would really appreciate the help guys.GOD BLESS!

Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
This is math help.
No need for gods.
Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.

I just repeated it 1000 times in this forum:

        ONE and ONLY ONE problem/question per post.

It is THE RULE of this forum.

                By violating this rule, you work against your best interests.

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