Question

pls answer my question ​

Answer 1

in First cas

|(-1/2)(1/2)=|(-1/2)| |1/2|

1/4=1/4

hence proved

in second case |(-7/19)(-1/7)|=7/19×1/7

7/133=7/133

hence proved

hope it helps you ▼・ᴥ・▼

Answer 2

Answer:

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