Question

$si \: a + b = 6 \: y \: ab = 1 \: calcule \: {a}^{2} + {b }^{2}$
A,23 B,36 C,32 D,40 E,34
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Answer 1

Explicación paso a paso:

(a+b)^2= a^2+b^2+2ab

6^2= a^2+b^2+2×1

34=a^2+b^2