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[" 2.Let "a(1),a(2),a(3),......,a(49)" b...

[" 2.Let "a_(1),a_(2),a_(3),......,a_(49)" be in A.P.such that "sum_(k=0)^(12)a_(4k+1)=416" and "a_(9)+a_(13)=66." If "a_(1)^(2)+a_(2)^(2)+...+a_(17)^(2)],[=140m," then "m" is equal to "],[[" (1) "33," (1) "33," (4) "66],[" (3) "68," (4) "34]]

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