Question

if a+b=9,ab=4find the value of a 2 + b 2​

Answer 1

Answer:

given =a+b=9.and ab =4

a2 +b2 =?

(a+b)^2-2ab

(9)2-2×4

81_8

73

Answer 2

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$\huge\mathbf{{\fcolorbox{silver}{silver}{ Answer :}}}$

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