vreau si eu rezolvarea completa la b si c,multumesc
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Răspuns:
Explicație pas cu pas:
(3√5+√2)²=45+6√10+2 ; (5√2-√5)²=50-10√10+5
b) 47+6√10-3√40+50-10√10+5+2√2×5×5²=
=47+50+5+6√10-12√10-10√10+10√10=102+√10×(6-12-10+10)=
=102-6√10=6(17-√10)