Question

15 Introduceți factorii sub radical: a 3√2; b 5√3; f2√7; g-4√2; k -10√5; 1 3√11; c 2√2; h -8√3; m-9√6; d 3√3; i-5√5; n 3√5; e 7√2; i-7√3; 0-2√13. Va rog mult am nevoie. ​

Answer 1

Răspuns:

a)

$3 \sqrt{2} = \sqrt{ {3}^{2} } \times 2 = \sqrt{18 \\}$

b)

$5 \sqrt{3} = \sqrt{ {5}^{2} } \times 3 = \sqrt{75}$

c)

$2 \sqrt{2} = \sqrt{ {2}^{2} } \times 2 = \sqrt{8}$

d)

$3 \sqrt{3} = \sqrt{ {3}^{2} } \times 3 = \sqrt{27}$

e)

$7 \sqrt{2} = \sqrt{ {7}^{2} } \times 2 = \sqrt{98}$

f)

$2 \sqrt{7} = \sqrt{ {2}^{2} } \times 7 = \sqrt{28}$

g)

$- 4 \sqrt{2} = - \sqrt{ {4}^{2} } \times 2 = - \sqrt{32}$

h)

$- 8 \sqrt{3} = - \sqrt{ {8}^{2} } \times 3 = - \sqrt{192}$

i)

$- 5 \sqrt{5} = - \sqrt{ {5}^{2} } \times 5 = - \sqrt{125}$

j)

$- 7 \sqrt{3} = - \sqrt{ {7}^{2} } \times 3 = - \sqrt{147}$

k)

$- 10 \sqrt{5} = - \sqrt{ {10}^{2} } \times 5 = - \sqrt{500}$

l)

$3 \sqrt{11} = \sqrt{ {3}^{2} } \times 11 = \sqrt{99}$

m)

$- 9 \sqrt{6 } = - \sqrt{ {9}^{2} } \times 6 = - \sqrt{486}$

n)

$3 \sqrt{5} = \sqrt{ {3}^{2} } \times 5 = \sqrt{45}$

o)

$- 2 \sqrt{13} = - \sqrt{ {2}^{2} } \times 13 = - \sqrt{52}$