Question

( 1 , 6 + 0 , 3 a )^2
Возведите в квадрат

Answer 1

( 1 , 6 + 0 , 3 a )^2=2.56+0.96а+0,09а²

Answer 2

${(1.6 + 0.3a)}^{2} = 0.09 {a}^{2} + 0.96a + 2.56$