Which of the following is simplest rationalising factor of root 147
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Given data:
The number
To find:
The simplest rationalising factor of
Step-by-step explanation:
First we factorise the number
We see that comes once and
comes twice. So when we take the square root of
,
can come out of the root, but not
,
Answer:
Hence the simplest rationalising factor of is
.
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