Question

Factorize the expression : m⁴ - 81

fast


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Answer 1

Answer:

$Given \: expression \: = \: m {}^{4} \: - \: 81$

then,

$m {}^{4} \: - \: 81$

$m {}^{4} \: = \: 81$

$m {}^{2} \: = \: \sqrt{81}$

$m {}^{2} \: = \: 9$

$m \: = \: \sqrt{9}$

$m \: = \: 3$

$therefore \: \: the \: value \: of \: m \: = \: 3$

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Answer 2

Answer:

m4-81

m4=81

m²=√81

m²=9

m=√9

m=3

answer 3