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a)solutia ecuatiei 4x-1=5 in q este.....
b)solutia ecuatiei 3/4 x- 1 1/6 =0 in z este....
c)solutia ecuatiei √5x-√30=0 in Q este....... Va rog ajutati.ma ! :(


Răspuns :

a  4x-1=5⇒4x=6, x=6/4, x=3/5
b   3/4x-7/6=0
3/4x=7/6⇒x=14/9 nu are solutie in Z
c  √5 x-√30=o
√5 x=√30
x=√5/√30=1/√6=√6/6