The numbers 2, 5, a are the roots of the equation x− bx+ 5x + c = 0. Find the values of b and c. 

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  1. Sum of roots
    7+a= b
    Product of roots
    10a = -c
    Sum if products of roots taken two at a time
    10 +5a+2a = 5
    => a= -5/7
    C = 50/7
    b= 7-5/7
    = 44/7

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