Question

Ajutați-mă varog frumos doar exertitiul 2 este urgent

Answer 1

Explicație pas cu pas:

a)

$\sqrt{2 {}^{2} \times 3 {}^{2} + 3 \sqrt{576} }$

$\sqrt{2 {}^{2} \times 3 {}^{2} + 3 \times 24 }$

$\sqrt{3(2 {}^{2} \times 3 + 24) }$

$\sqrt{3(12 + 24)}$

$\sqrt{3 \times 36}$

$\sqrt{108}$

$6 \sqrt{3}$

b)

$\sqrt{2 {}^{3} + 4 \sqrt{324} }$

$\sqrt{8 + 4 \times 18}$

$\sqrt{8 + 72}$

$\sqrt{80}$

$4 \sqrt{5}$

c)

$\sqrt{2 {}^{4} + 2 \sqrt{289} }$

$\sqrt{16 + 2 \times 17}$

$\sqrt{16 + 34}$

$\sqrt{50}$

$5 \sqrt{2}$

d)

$\sqrt{6 {}^{2} + 3 \sqrt{256} }$

$\sqrt{36 + 3 \times 16}$

$\sqrt{36 + 48}$

$\sqrt{84}$

$2 \sqrt{21}$

e)

$\sqrt{33 + 6 \sqrt{361} }$

$\sqrt{33 + 6 \times 19}$

$\sqrt{33 + 114}$

$\sqrt{147}$

$7 \sqrt{3}$

f)

$\sqrt{22 \times 3 + 8 \sqrt{441} }$

$\sqrt{4 \times 3 + 8 \times 21}$

$\sqrt{12 + 168}$

$\sqrt{180}$

$6 \sqrt{5}$

g)

$\sqrt{3 {}^{2} + 3 {}^{2} \sqrt{121} }$

$\sqrt{3 {}^{2} + 3 {}^{2} \times 11}$

$\sqrt{3 {}^{2} + 11 \times 3 {}^{2} }$

$\sqrt{12 \times 3 {}^{2} }$

$\sqrt{12 \times 9}$

$\sqrt{108}$

$6 \sqrt{3}$

h)

$\sqrt{2 {}^{2} \times 6 + 3 \sqrt{484} }$

$\sqrt{4 \times 6 + 3 \times 22}$

$\sqrt{24 + 66}$

$\sqrt{90}$

$3 \sqrt{10}$

Sper că te am ajutat<333