Question

Va rog urgenttttttt, am nevoie acum va rogggg ​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

(√5)^4 = 5^2 = 25

b)

(√2)^-4 = 1/(√2)^4 = 1/4

Answer 2

Răspuns:

a)

$( \sqrt{5} )^{ - 4} \times ( \sqrt{5})^{8} =$

$= 5^{ - 2} \times \sqrt{5^{8} } =$

$= 5^{ - 2} \times 5 ^{4} =$

$= 5^{2} =$

$= 25$

b)

$( \sqrt{2} )^{15} \div ( \sqrt{2} )^{19} =$

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

$= {2}^{ - 2} =$

$= \frac{1}{ {2}^{2} } =$

$= \frac{1}{4}$