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Am o problema la mate.Ajutor.

Am O Problema La MateAjutor class=

Răspuns :

cu teorema lui Thales avem:
AB/BN = AC/CM
(3x+1)/x = (6x+12)/(2x+1)
6x^2+5x+1=6x^2+12x
x=1/7
AN=4x+1 = 4/7 + 1
AN=11/7
AM=8x+13=8/7 + 13
AM=99/7