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sqrt3+sqrt2/sqrt3-sqrt2=a+bsqrt6 find a,b

Answer :

Given that
[tex] \frac{ \sqrt{3}+\sqrt{2} }{\sqrt{3}-\sqrt{2}} = a + b\sqrt{6} [/tex]

Rationalising the denominator by its conjugate

[tex] \frac{ \sqrt{3}+\sqrt{2} }{\sqrt{3}-\sqrt{2}} * \frac{ \sqrt{3}+\sqrt{2} }{\sqrt{3}+\sqrt{2}} = a + b\sqrt{6} [/tex]

[tex]\frac{ (\sqrt{3}+\sqrt{2})^2 }{(\sqrt{3})^2-(\sqrt{2})^2}= a + b\sqrt{6} [/tex]

[tex]\frac{3+2+2\sqrt{3}.\sqrt{2}}{3-2}=a+b\sqrt{6}[/tex]

[tex]5 + 2\sqrt{6} = a + b\sqrt{6}[/tex]

Therefore, a = 5 and b = 2

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