1, − 2
− 2, n = 1
−25, 1
23
Correct answer is B
2√3−√2√3+2√2= m + n√6
2√3−√2√3+2√2 x √3−2√2√3−√2
2√3(√3−2√2)−√2(√3−2√2)√3(√3−2√2)+2√2(√3−2√2)
2×3−4√6−6+2×23−2√6+2√6−4×2
= 6−4√6−√6+43−8
= 0−4√6−65
= 10−5√65
= − 2 + √6
∴ m + n√6 = − 2 + √6
m = − 2, n = 1
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