Question

expand (a^2 - b/2) ^2​

Answer 1

a^4 + b^2/4 - b.a-^2

Answer 2

Answer:

${a}^{4} - 2 {a}^{2} {b}^{2} + {b}^{4}$

Step-by-step explanation:

$( {a}^{2} - {b}^{2} ) {}^{2} = ( {a}^{2} ) {}^{2} - 2 {a}^{2} {b}^{2} +( {b}^{2} ) {}^{2}$

$\: \: \: \: \: \: \: \: = {a}^{4} - 2 {a}^{2} {b}^{2} + {b}^{4}$