Rationalising the sqrts Please help me rationalise and simplify:

Lorelei Stanton

Lorelei Stanton

Answered question

2022-04-01

Rationalising the sqrts
Please help me rationalise and simplify:
123-1 - 23-2 .
I have tried using the cube of the denominator and the square of the denominator on the second one but it stuffs up when I try to simplify.
Thanks.

Answer & Explanation

Yaritza Phillips

Yaritza Phillips

Beginner2022-04-02Added 12 answers

HINT: (2131)(1+213+223)=(21)
(32)(3+2)=(322)

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