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Question

The sum of 3a2b, 3a2b and 4a2b is


  1. 3a2b 

  2. 4a2b 

  3. 7a2b 

  4. 10a2b 


Solution

The correct option is D

10a2b 


Addition of like terms results in a single term whose coefficient is equal to the sum of the coefficients of the given terms.

3a2b+3a2b+4a2b = (3+3+4)a2b = 10a2b 

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