Question

solve the 6th question. i need it fast its urgent​

Answer 1

Answer:

$(3m - \frac{1}{ \sqrt{2} } n)(3m + \frac{1}{ \sqrt{2} } n)$

Step-by-step explanation:

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

$( {3m)}^{2} - (\frac{1}{ \sqrt{2} }n {)}^{2}$