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CBSE Class 12-science Answered

Show that the vectors 2i-cap - j-cap + k-cap, i-cap - 3j-cap, 3i-cap - 4j-cap - 4k-cap form the sides of a right angled triangle.
Asked by sunil2791 | 17 Nov, 2017, 06:56: PM
answered-by-expert Expert Answer
begin mathsize 16px style the space third space vector space can space be space represented space as space the space sum space of space other space two space so space they space all space are space in space one space plane space also space the space magnitude space of space vectors space are space square root of 6 comma square root of 35 comma square root of 41 so space by space using space pythagoras space it space can space be space proved space as space RT space triangle end style
Answered by Arun | 20 Dec, 2017, 11:05: AM

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CBSE 12-science - Maths
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Asked by durgaprasaddurgaprasad174 | 01 Jul, 2022, 05:05: PM
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CBSE 12-science - Maths
v=e^xyz(i+j+k) find curl v
Asked by abhimeena1011 | 18 Jan, 2022, 10:43: AM
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CBSE 12-science - Maths
  If a vectors = 2 i – 4 j + 5 k then find value of lamda so that lamda times a (vector) may be a unit vector  i  j and k are unit vector/axis
Asked by haroonrashidgkp | 23 Oct, 2018, 07:06: PM
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CBSE 12-science - Maths
Please help me with this question
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Asked by akshitaasia | 19 Mar, 2018, 11:04: AM
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CBSE 12-science - Maths
Find the distance between the point A(– 1, 2, 3) and B(1, – 1, – 3).
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
Find the vector joining the points P(– 2, – 3, 4) and Q(3, 2, 5) directed from P to Q. Also find the distance between the points.
Asked by Topperlearning User | 13 Aug, 2016, 02:21: AM
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CBSE 12-science - Maths
If , then find the value of
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
Find the position vector of mid-point of joining the points (6, – 2, 3) and (4, 2, –5).
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
If P, Q and R have position vectors (0, 0, 2), (2, 0, 0) and (0, 1, 0). Show that is an isosceles.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
The position vectors of A, B and C are and . Prove that A, B and C are collinear.
Asked by Topperlearning User | 03 Mar, 2015, 01:45: PM
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