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Rog mult am nevoie urgent!!!

Rog Mult Am Nevoie Urgent class=

Răspuns :

2/(√7 - 3) + √7 + 4 =

= 2(√7 + 3)/(√7 - 3)(√7 + 3) + √7 + 4

= (2√7 + 6)/4 + √7 + 4

= (2√7 + 6 + 4√7 + 16)/4

= (6√7 + 22)/4

= (3√7 + 11)/2