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Prakhar

· started a discussion

· 1 Months ago

Please provide both general as well as short trick solution. If someone can't remember this short trick, then he will have a chance to do by general solution.

Question:

  

Options:
A)

abc

B)

1abc    

C)

a2b2c2

D)

1a2b2c2    

Solution:

Ans:(b) 

  

ujjwal pandey

· commented

· 1 Months ago

by use of degree we can solve it. The degree of the given expression is -3 and only option b has -3 degree so it is the obvious solution

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