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[" 417"a(1),a(2),a(3),....,a(49)" thath ...

[" 417"a_(1),a_(2),a_(3),....,a_(49)" thath "$10%#" in "(4)/(8)" for "],[sum_(k=0)^(12)a_(4k+1)=416quad " FrT "a_(9)+a_(43)=66quad (4)/(81)" affa "],[a_(1)^(2)+a_(2)^(2)+.....+a_(17)^(2)=140m#8," " it "m" arlar "vec e:]

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Let a_(1), a_(2), a_(3),...,a_(49) be in AP such that sum_(k=0)^(12) a_(4k +1) = 416 and a_(9) + a_(43) = 66 . If a_(1)^(2) + a_(2)^(2) + ...+ a_(17)^(2) = 140m , then m is equal to

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