Question

va rog
Ex 10
E super urgentttttt
Dau coroanăă​

Answer 1

Explicație pas cu pas:

a) √8=2√2 ; √50=5√2 ; √27=3√3 = x=3(√3-√2)

√48=4√3 ; 98=7√2 ; 200=10√2 = y=4√3-3√2

x+y=7√3-6√2

x-y=√3-6√2

b) √49=7 ; 3√20=6√5 ; √28=2√7 = x=15, 1

√180=6√5 ; √112=4√7 ; √64=√8 = y=2(3√5-2√7+4/

x+y=23,1+6√-4√7

x-y=7,1-6√5+4√7

Sper ca te-am ajutat