TS EAMCET · Maths · Vector Algebra
If and are position vectors of the points and respectively, then the angle between and is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Given, 3i^-5j^+2k^, 7i^+2j^-4k^, i^-3j^+4k^ and -7i^-17j^+16k^ are position vectors of the points A,B,C and D respectively, Then AB→=7-3i^+2+5j^-4+2k^ ⇒AB→=4i^+7j^-6k^ .......1 And CD→=-7-1i^+-17+3j^+16-4k^…
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