Question

3 + 2 root 2 upon 3 minus 2 root 2 is equal to a + b root 2 find a and b

Answer 1

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Answer 2

$\frac{3+2 \sqrt{2} }{3-2 \sqrt{2} }$= a+b$\sqrt{2}$

By solving this after rationalising R.H.S
Compare both side
a=17
b=12