Question

(4/7x-7/4y)2
solve this question ​

Answer 1

Answer:

16x/49 - 2xy + 49y/16

Step-by-step explanation:

(4/7x-7/4y)2

= (4x/7)^2  -  2 *  4x/7  *   7y/4  +  (7y/4)^2

[Using identity  (a - b)^2 = (a)^2 - 2ab + (b)^2]

=16x/49 - 2xy + 49y/16

Answer 2

Step-by-step explanation:

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