Question

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Answer 1

Answer:

$given \: that \\ d_{1} = d _{2} \\ a_{100} - b _{100} = 100 \\ a_{n} - b _{n} = 100 \: \: \: \: \: \: \: \: \: \: \: for \: all \: values \: of \: n.it \: is \: independent\\ a_{1000} - b _{1000} = 100$

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