I gtg now. Will be back n solve it. Go on.
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Thought blocker
Lola_sweet
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w13_qp_13.pdf
Q5 b) why are solving by simultaneous equation and nt by the Sn Formula
Q5 b) why are solving by simultaneous equation and nt by the Sn Formula
Thought blocker
Uf, sns!! I suck at it. Though I will look at it as soon as I am free. 