# surds

• Jun 12th 2009, 09:00 PM
amath9
surds
can any1 help me solve for a and b (qn in attachment
• Jun 12th 2009, 09:22 PM
Amer
Quote:

Originally Posted by amath9
can any1 help me solve for a and b (qn in attachment

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

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

solve this two equations

$2a=1$

$-6 = 2b$
• Jun 13th 2009, 01:36 AM
Singaporean
Its called comparing coefficients