Question

Calculati a la puterea 2/5 + b la puterea 3/4 totul la patrat.​

Answer 1

Explicație pas cu pas:

${( {a}^{ \frac{2}{5} } + {b}^{ \frac{3}{4} }) }^{2} = \\ ( { {a}^{ \frac{2}{5} }) }^{2} + 2 \times {a}^{ \frac{2}{5} } \times {b}^{ \frac{3}{4} } + ( { {b}^{ \frac{3}{4} } )}^{2} = \\ {a}^{ \frac{4}{5} } + 2 {a}^{ \frac{2}{5} } {b}^{ \frac{3}{4} } + {b }^{ \frac{3}{2} }$