Mathematics Algebra

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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 ?

  • Mathematics Algebra -

    value ≥ (b^2-a^2)

  • Mathematics Algebra -

    x^2 +2ax+b is the expression #PsyDAG

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