Question

a2+b2 =(a-b)4+ab prove it​

Answer 1

Step-by-step explanation:

Let a=x

b=y

${x}^{2} + {y}^{2} = {(x - y)}^{4} + xy \\ taking \: lhs \\ {(x - y)}^{2} \times {(x - y)}^{2} + xy \\ = ({x}^{2} + {y}^{2} - 2xy)( {x}^{2} + {y}^{2} - 2xy) + xy \\ = {x}^{4} + {x}^{2} {y}^{2} -$

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