you say this in rationalizing the denominator of following
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The given term is 1/(3 + √2)
To rationalize its denominator, we multiply both the numerator and the denominator by conjugate irrational number (3 - √2)
So, 1/(3 + √2)
= (3 - √2)/{(3 + √2) (3 - √2)}
= (3 - √2)/(9 - 3√2 + 3√2 - 2)
= (3 - √2)/7,
which is the required form.
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