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a)(√7)la puterea a 2 a
b)(-√5)la puterea a 2 a
c)(2√3)la puterea a 2a
d)(2√3 supra 3√2 ) la puterea a 2a


Răspuns :

a)
[tex] \sqrt{7 {}^{2} } = 7[/tex]

b)
[tex] - \sqrt{5 {}^{2} } = - 5[/tex]

c)
[tex](2 \sqrt{3} ) {}^{2} = 4 \times 3 = 12[/tex]

a)(√7)la puterea a 2 a  = 7

b)(-√5)la puterea a 2 a  = - 5

c)(2√3)la puterea a 2a  = 12

d)(2√3 supra 3√2 ) la puterea a 2a = 12/18⁽⁶ = 2/3