15. If a.ß are the roots of 3.r? + ...
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15. If a.ß are the roots of 3.r? + 5x - 7=0 then the value of (30+5) 3B+5 67 67 109 441 109 3) 63 441 If the sum ofthe rooteofthe 16

JEE/Engineering Exams
Maths
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( 3 n^{2}+5 x-7=0 ) ( Rightarrow ) it must satisty the equation ( 3 x^{2}+52-7=0 ) ( 3,3^{2}+5 beta-7=0 ) ( 2132^{2}+5 alpha=7 ) ( Rightarrow quad alpha(3 alpha+5)=7 )
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