Question

factorise the following expression as difference of two square: (i) a⁴-(a+4)⁴​

Answer 1

-256

Step-by-step explanation:

$= {a}^{4} - (a + 4) {}^{4} \\ = {a}^{4} - {a}^{4} - (4) {}^{4} \\ = 0 - (4) {}^{4} \\ =0 - 256 \\ = - 256$

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Answer 2

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