Question

2 la puterea 98 + 2 la puterea 98

Answer 1

${2}^{98} + {2}^{98} = 2 \times {2}^{98} = {2}^{1 + 98} = {2}^{99}$

${2}^{33}-{2}^{2}={2}^{2}(2^{31}-1)$