- Thread starter Blessing
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Please show your own work as far as you can get (even if you know it is wrong, or can only tell us the ideas you think you need to use), so we can see where you need help.Pls how can I find the progressions

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okayPlease show your own work as far as you can get (even if you know it is wrong, or can only tell us the ideas you think you need to use), so we can see where you need help.

Please read this summary of our submission guidelines.

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Suppose the first term of both progressions is \(a\). Then the first 3 terms of the AP could be written:okay

\(\displaystyle a,a+d,a+2d\)

And the first 3 terms of the GP could be written as:

\(\displaystyle a,ar,ar^2\)

Based on the information given regarding the sums of the corresponding terms, can you write 3 equations in the 3 unknowns?