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65-2 %3D (b) In this part, all lengths are in centimetres. 4-3 4-55 4+V5 S5514+15)-214+ら) 4-155- 6-2V3 24r5+30-9ー2「5 16-5 C 22/5122 11 The diagram shows the triangle ABC with AB = 6- 2V3 and BC = 6+2 V3. Given thatI 6+2V3 cos ABC =-, find the length of AC in the form c Vd, where c and d are integers. 2 2' マ15+1) 21 25

65-2 %3D (b) In this part, all lengths are in centimetres. 4-3 4-55 4+V5 S5514+15)-214+ら) 4-155- 6-2V3 24r5+30-9ー2「5 16-5 C 22/5122 11 The diagram shows the triangle ABC with AB = 6- 2V3 and BC = 6+2 V3. Given thatI 6+2V3 cos ABC =-, find the length of AC in the form c Vd, where c and d are integers. 2 2' マ15+1) 21 25

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question (b)
page 36 PAPER 1 F2018 4. INDICES AND SURDS 1 Do not use a calculator in this question. (3+2v5)(6 – 2 V5) (4- V5) (a) Simplify giving your answer in the form a+bv5, where a and b on integers. 13255) 16-2ら) (4-V5) 3(6-255/t 2516-255) (4-55) 18-615+1255 -20 (4-V5) 65-2 4-55 (b) In this part, all lengths are in centimetres. 4+V5 4-3 G5514+15)-2(4415) 4-(55 24r5+30-9ー2「5 16-5 6- 2V3 C 2215122 B 6+2V3 11 The diagram shows the triangle ABC with AB = 6 - 2V3 and BC = 6+2v3. Given that ! cos ABC =- find the length of AC in the form cvd, where c and d are integers. 2 5 21 25 KS VENTUR
Transcribed Image Text:page 36 PAPER 1 F2018 4. INDICES AND SURDS 1 Do not use a calculator in this question. (3+2v5)(6 – 2 V5) (4- V5) (a) Simplify giving your answer in the form a+bv5, where a and b on integers. 13255) 16-2ら) (4-V5) 3(6-255/t 2516-255) (4-55) 18-615+1255 -20 (4-V5) 65-2 4-55 (b) In this part, all lengths are in centimetres. 4+V5 4-3 G5514+15)-2(4415) 4-(55 24r5+30-9ー2「5 16-5 6- 2V3 C 2215122 B 6+2V3 11 The diagram shows the triangle ABC with AB = 6 - 2V3 and BC = 6+2v3. Given that ! cos ABC =- find the length of AC in the form cvd, where c and d are integers. 2 5 21 25 KS VENTUR
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