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ressedue
ressedue ressedue
  • 13-09-2016
  • Mathematics
Answered

Which of the following expressions is incorrect?


|-12| = 12

-|-12| = -12

-|12| = 12

|12| = 12

Verified Answer :

Valxntina
Valxntina Valxntina
  • 13-09-2016

Either b or c because A and D are correct

Answer Link
wifilethbridge wifilethbridge
  • 24-06-2019

Answer:

-|12| = 12

Step-by-step explanation:

Modulus provides the positive value

\(\Rightarrow |x| or |-x|=x\)

So, Option 1)|-12| = 12

So, it is true

Option 2)-|-12| = -12

-|12|=-12

-12=-12

So, it is true

Option 3) -|12| = 12

-|12|≠12

So, it is false

Option 4)|12| = 12

So, it is true

Hence -|12| = 12 is incorrect.

So. Option C is incorrect.

Answer Link

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