1.

I If a and B are the roots of the equation x2-9x + 14 = 0, finda) a² + ß²b) (a-B)2​

Answer»

ANSWER:

a.(a+b)^2-2ab=9×9-2×14

=53

b.(a+b)^2 -4ab=81-4×14

=25



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