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Calculati media geometrică a nr:a=(√5-2)(√6+√5)(√7-√6)(√8+√7)
b=(√5+2)(√6-√5)(√7+√6)(√8-√7)


Răspuns :

a=(√5-2)(√6+√5)(√7-√6)(√8+√7) b=(√5+2)(√6-√5)(√7+√6)(√8-√7)
mg=√
(√5-2)(√6+√5)(√7-√6)(√8+√7)(√5+2)(√6-√5)(√7+√6)(√8-√7) =
=√(5-4)(6-5)(7-6)(8-7)=
=
√1×1×1×1=1