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If OA = 3i + 2j – 4k and OB = 4i + 5j – 2k, P divides AB in the ratio 3:-2. Determine the modulus of OP leaving your answer to 1 decimal place. Given that O is the origin.
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Aug 13, 2021
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Mathematics Form 1
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anonymous
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If OA = 3i + 2j – 4k and OB = 4i + 5j – 2k, P divides AB in the ratio 3:-2. Determine the modulus of OP leaving your answer to 1 decimal place. Given that O is the origin.
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Aug 13, 2021
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anonymous
Let p be point (x, y, z)
x 3 4
1/3 y + 2/3 2 = 5
Z -4 -2
P(6,11,2)
10p1 = √ (6)2 + (11)2 + (2)2
= √ 161 = 12.69 units
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