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Mathematics, 13.12.2020 07:40 bonnysvalentine

X+1 , 2x+3 and X+7 are the second, third and fourth terms of an arithmetic series. Find the value of X and hence calculate the common difference.

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X+1 , 2x+3 and X+7 are the second, third and fourth terms of an arithmetic series. Find the value of...
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