Question

check whether 1²+2³+3⁴ is divisible by 2 or not ​

Answer 1

$1 \times 1 + 2 \times 2 \times 2 + 3 \times 3 \times 3 \times 3$

$1 + 8 + 81$

$9 + 81 \\ = 90$

$90 \div 2$

$45$