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Please answer this question with explainations. See the attachment

Please answer this question with explainations. See the attachment

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Grade:12th pass

1 Answers

Arun
25758 Points
4 years ago
Dear Aabha
 
If 
P + Q = P – Q
 
then
 
2Q = 0
 
hence Q = 0
 
Hence option 2 is correct.
 
Regards
Arun (askIITians forum expert)

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