Question

X^4-1 factorise it
By method
of

Answer 1

Heyy Mate ✌
Here is u r Ans ➡


✨
$x {}^{4} - 1$

✔Using This Formula ➡

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

$= (x {}^{2} - 1) \times (x {}^{2} + 1)$

✔Using This Formula ➡

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

$= (x - 1)(x + 1)(x {}^{2} + 1)$

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