Anonymous asked in Science & MathematicsMathematics · 1 decade ago

math help someone please? find the limit?

Find the limit as x approaches 0.

√(1+x) - √(1-x)




How can i manipulate this so as to not have a 0 for the denominator?

Update 2:

can you show the steps please?

1 Answer

  • Anonymous
    1 decade ago
    Favorite Answer

    Rationalize it

    Multiply num. and den. by sqrt(1+x) + sqrt(1-x)

    you should eventually get 2/2 so the limit at 0 is 1

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