Question

a^4+2a^2b+b^2 разложите​

Answer 1

${a}^{4} + 2 {a}^{2}b + {b}^{2} = \\ = {( {a}^{2} + b)}^{2} = \\ = ( {a}^{2} + b)( {a}^{2} + b)$