Mathematics Algebra

How do we show that the value of the expression is not less than (b^2 - a^2)?

I don't have any idea about proceeding on.Do we have to perform a differentiation or ?

asked by Aanya
  1. value ≥ (b^2-a^2)

    posted by PsyDAG
  2. x^2 +2ax+b is the expression #PsyDAG

    posted by Aanya

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