Question

Factorise each of the following: 1/9x²y² – 1/16y²z²​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

1/9 x²y²- 1/16 y²z²

=(1/3xy)²-(1/4yz)²

=(1/3xy+1/4yz)(1/3xy-1/4yz)

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