1.

If alpha, beta are the roots of 3x^(2) + 5x - 7 = 0 then (1)/(3alpha+5)^(2)+ (1)/(3beta+5)^(2)=

Answer»

`-(17)/(21)`
`(67)/(21)`
`(67)/(441)`
`(76)/(441)`

Answer :C


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