Question

va rog să le faceți rapid​

Answer 1

Răspuns:

.ex 1

1/2=1/3=3/9

5/7=15/21

a/b= 3a/3b

2x/5y=6x/15y

(x+2)/(y+1)=3(x+2)/3(y+1)=(3x+6)/(3y+3)

(a+b)/(x+y)=(3a+3b)/(3x+3y)

ex 2

3n/4n

7n/2n

an/ bn

3an/7bn

(a+1)n/ (b+3)n = an+n/ bn+3n

(a+b)n /(x+y)n = an+bn/ xn+yn

/ = supra