A minus B whole power 4

(a-b)^{4} = a^{4}+b^{4}-4a^{3}b+6a^{2}b^{2}-4ab^{3}

Calculate (a - b)4

Formula : (a - b)4 = a4 + b4 - 4a3b + 6a2b2 - 4ab3

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Output

Result {{result}}
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