Question

rezolvati ecuatile urmatoate
1
a)
${x}^{2} = 25$
b)
${x}^{2} = 9$
c)
${x}^{2} = 1$
d)
${x}^{2} = 100$
2
a)
${x}^{2} = 0$
b)
${x}^{2} = 6$
c)
${x}^{2} = 18$
d)
${x}^{2} = 72$
3
a)
${x}^{2} = 1.44$
b)
${x}^{2} = 0.36$
c)
${x}^{2} = 0.09$
d)
${x}^{2} = 1.21$
va rog e urgent va roooooooooooooooooooooooooggggggggggggggggggggggg dau coroana dar ajutatima








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Answer 1

Răspuns:

1 a) x=5;x=-5

b) x=3;x=-3

c) x=1;x=-1

d) x=10;x=-10;

2 a) x=0

b) x=$\sqrt{6}$

c) x=$\sqrt{18}$

d) x=$\sqrt{72}$

3 a) x=$\frac{12}{\sqrt{10} }$;x=$\frac{-12}{\sqrt{10} }$

b) x=0.6;x=-0.6

c) x=0,3;x=-0,3;

d) x=1,1;x=-1,1

Explicație pas cu pas: