alexkesiya14
Answered

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evaluate the following using identity ( part 2 )
4. (0.4a + 1/4 b) (0.4a - 1/4b)
5. (x + 1/y) ( x-1/y)
6. (2/3x + 3/11y) (2/3x - 3/11y)​

Sagot :

manyaarora2007

Answer:

refer the attachment pls

View image manyaarora2007
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