Selective Question

Simplify the algebraic expression (\dfrac{a^2}{a-3}+\dfrac{9}{3-a})÷\dfrac{a+3}{a} , it’s result is

  1. ×

    -a

  2. a

  3. ×

    \dfrac{(a+3)^2}{a}

  4. ×

    1

Steven Zheng Steven Zheng posted 1 month ago


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