1.

Is – 22 is equal to 4? Justify your answer.

Answer»

– 22 = – (2 × 2) = – 4 ≠ 4 

∴ – 22 = – 4

  Yes because,
-2
2= (-2)2=4 the reason is when we square a
Negetive or postive integer it becomes positive 
But it is possible in case of cubing a number
 

                                


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