Question

A=x∈N|x=2 la puterea k ,1<k≤4)??????
B=(y∈N|y=3 la puterea k-1 ,3≤k <6)???????????
A=???????????????????
B=???????????????????
ajutooooooooooor!!!!!!!!!!!!!!!!!!!!!!

Answer 1

A=(x∈N|x=$2^k$,1<k≤4)
=>k={2,3,4}=>
A={2², 2³, 2⁴}={4, 8, 16}

B=(y∈N|y=$3^{k-1}$ ,3≤k <6)
=> k={3,4,5}
B={3³, 3⁴, 3⁵}={27,81,243}