Question

factors of a²-1 are
​

Answer 1

Answer:

-1(a2 +1) answer of this question

Answer 2

$\huge \sf \green{\underline { \underline{Given:-}}}$

factors of a²-1 are

$\huge \sf \pink{\underline { \underline{Formula\: to\: use:-}}}$

x²-y²=(x+y)(x-y)

$\huge\tt\red{ANSWER}$

$\tt{so \: {a}^{2} - 1 = (a + 1)(a - 1)}$

$\sf{so \: factors \: are \: (a + 1) and \: (a - 1)}$