Question

Va rog rapid.
Multumesc!

Answer 1

Răspuns:

Explicație pas cu pas:

7.

a) √4/9 = 2/3

b) √25/49 = 5/7

c) √81/100 = 9/10

d) √225/121 = 15/11

e) √169/144 = 13/12

f) √81/324 = 9/18

g) √361/625 = 19/25

h) √196/289 = 14/17

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8.

a)√49/9 = 7/3

b) √49/25 = 7/5

c) √169/25 = 13/5

d) √(2/3)^2 = 2/3

e) √(-4/25)^2 = 4/25

f) √19^2/13^2 = 19/13

g) √23^2/37^2 = 23/37

h) √5^4/7^4 = 5^2/7^2 = 25/49

i) √3^8/5^6 = 3^4/5^3

j) √4^3/9^5 = (√4^2/9^4)*(√4/5) = 4/9^2 * (√4/5)

k) √3^6*2^4/5^2 = 3^3*2^2/5

l) √14^2/11^2*3^2 = 14/11*3