05 * Figure 12.12 shows triangle AOB. C is a point on AB and divides it in the ratio 2:3. Find OC in terms of the vectors a and b. 2/5a-3/5b 2/5a+3/5b 3/5a+2/5b 3/5a-2/5b EXIN 8562 A b ,8562 Figure 12.12 B

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 7E
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05 *
O
O
O
2/5a-3/5b
06 *
2/5a+3/5b
3/5a+2/5b
3/5a-2/5b
Figure 12.12 shows triangle AOB.
C is a point on AB and divides it in the ratio 2:3.
Find OC in terms of the vectors a and b.
0
4
8
16
EX 8562
Calculate the area of the shaded part
(-2, 1)
Area 1
-2
0
Area 2
a
y = x + 3 and y = x³ - 3x + 3.
2
Figure 12.12
(2,5)
A
b
UN 8562
с
7y=x+3
►y = x³ - 3x +3
B
Transcribed Image Text:05 * O O O 2/5a-3/5b 06 * 2/5a+3/5b 3/5a+2/5b 3/5a-2/5b Figure 12.12 shows triangle AOB. C is a point on AB and divides it in the ratio 2:3. Find OC in terms of the vectors a and b. 0 4 8 16 EX 8562 Calculate the area of the shaded part (-2, 1) Area 1 -2 0 Area 2 a y = x + 3 and y = x³ - 3x + 3. 2 Figure 12.12 (2,5) A b UN 8562 с 7y=x+3 ►y = x³ - 3x +3 B
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