Surds
- Created by: Charlotte
- Created on: 12-12-12 19:05
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- SURDS
- If a sqrt is squared it just equals the number sqrt18 = 18
- Rationalising the denominator
- 1/sqrt3
- x sqrt3/sqrt3
- = sqrt3/3
- x sqrt3/sqrt3
- 1/sqrt3
- x -ing surds
- sqrtA x sqrtB = sqrtAB
- CsqrtA x DsqrtB = CDsqrtAB
- / -ing surds
- sqrtA / sqrtB = sqrtA/B
- + -ing surds
- 2sqrt3 + 4sqrt3 = 6sqrt3
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