Multiple choice

L.C.M. (a + b)9 and (a + b)13 is

  1. (a + b)4

  2. (a + b)22

  3. (a + b)9

  4. ( a + b)13
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

LCM is highest power of all the factors There is only 1 factor (a+b) with its highest power  13 

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