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Evaluate a. a^3-b^2 when a=1 and b=2 b. a^2+ab when a=2 and b=1

      

Evaluate
a. a^3-b^2 when a=1 and b=2
b. a^2+ab when a=2 and b=1

  

Answers


joseph
a. a^3-b^2 =1^3 -2^2
=1-4
=-1
b. a^2+ab =2^2+2x1
=8

joseph rimiru answered the question on October 25, 2017 at 06:39


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