if first term of an ap is a common difference is d and last term is l then show that the sum of the series is
l^2-a^2/2d + 1/2(a+l)
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Answer:
can you say question in detail becoz i cant understand what are you trying to say
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Step-by-step explanation:
s=n/2(a+l)
to get the answer you need to know that formula to find the sum of ap is s=n/2(a+l) , to find the required equation , you have to solve it
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