The ratio of the sum of m and n terms of an AP is m^2 :n^2 ,show that the ratio of the mth and nth term is ( 2m-1):(2n-1). Can this qn be done this way ??

I dont know what the answer is exactly

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

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