I need urgent help with the question. Can someone please give full working out of the attached question
1 answer:
Answer:
2x-2
Step-by-step explanation:
Being specifically asked to rationalise the denominator we focus on it as required.
To rationalise a term it has to be multiplied by its inverse.
The inverse of
is
Multiplying this two vives us a difference of two squares
which gives us
x-(2-x)
=2x-2
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