Question

factorise a^4-4^4 pls

Answer 1

Answer:

(a-4)(a+4)(a^2+16)

Step-by-step explanation:

Answer 2

$\huge{\bf{\underline{Answer:-}}}$

${a}^{4} - {4}^{4} \\ = ( {a}^{2})^{2} - ( {4}^{2} )^{2} \\ = ( {a}^{2} + {4}^{2} )( {a}^{2} - {4}^{2} ) \\ = ( {a}^{2} + 16)( a + 4)(a - 4)$

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