Question

(-2/5y+1/6x)(1/6x+2/5y)

Answer 1

Answer:

I solve this question after some time

Step-by-step explanation:

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Answer 2

${ \bold{ \underline {\underline{Given:}}}}$

$(- \frac{2}{5} y + \frac{1}{6}x)( \frac{1}{6} x + \frac{2}{5} y)$

${ \bold{ \underline {\underline{Step bystep -explanation:}}}}$

$we \: can \: write \: as \\ ( \frac{1}{6} x - \frac{2}{5} y)( \frac{1}{6} x + \frac{2}{5} y)$

The formula we can use is:

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

Here, x = 1/6x and y = 2/5y

By substituting, we get

${ (\frac{1}{6}x )}^{2} - { (\frac{2}{5}y) }^{2} = \frac{ {x}^{2} }{36} - \frac{4 {y}^{2} }{25} \\ = \frac{25 {x}^{2} - 144 {y}^{2} }{900}$

Hope it helps you ✌️✌️