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Is this, [√(x+2) ] [√(x-1)] evaluated as (x+2)(x-1)?

Science & Mathematics by Anonymous 2018-05-18 13:08:22

Social Science

Is this, [√(x+2) ] [√(x-1)] evaluated as (x+2)(x-1)?

3 answers

  • Anonymous

    No. Multiply the radicands. √(x+2)√(x-1) = √((x+2)(x-1))

  • Anonymous

    No, the terms under the square root sign can only be multiplied.Hence [√(x+2) ] [√(x-1)]=√{(x+2) (x-1)} =√{x²+x-2}

  • Anonymous

    Nope, it isn't. [√(x + 2)] * [√(x - 1)] = √[(x + 2) * (x - 1)] = √(x^2 + x - 2) <=== ANSWER.

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