Răspuns :
Răspuns:
30ⁿ/(5ⁿ•6ⁿ+15ⁿ•2ⁿ+1)
30^n/(1+2)×5^n×3^n×2^n=30n/3×5^n×3^n×2^n=10n/5^n×3^n×2^n=10n/(5×3×2)^n=10n/30n
Răspuns:
Explicație pas cu pas:
=30ⁿ/ (5ⁿ*2ⁿ*3ⁿ+3ⁿ*5ⁿ*2ⁿ*2
= 30ⁿ/ 5ⁿ*2ⁿ*3ⁿ *( 1+2)
= 30ⁿ/ (5*2*3)ⁿ*3
= 30ⁿ/ 30ⁿ*3
= se simplifica 30ⁿ cu 30ⁿ
= 1/3