Trisha44 Trisha44

07-04-2018
Mathematics

contestada

If a^2 + b^2 =15 and ab=3 , then what is the value of (a-b)^2 ?

Respuesta :

jdoe0001 jdoe0001

08-04-2018

[tex]\bf (a-b)^2\implies a^2-2ab+b^2\implies \boxed{a^2+b^2}-2ab\implies \boxed{15}-2(3)[/tex]

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