Question

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

Answer 1

a)
$\sqrt{7 {}^{2} } = 7$

b)
$- \sqrt{5 {}^{2} } = - 5$

c)
$(2 \sqrt{3} ) {}^{2} = 4 \times 3 = 12$

Answer 2

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