P మరియు Q బిందువులు వరుసగా (2, 0, 4) మరియు (6, -2, 5) వద్ద ఉన్నాయి. P నుండి Q కి దూర సదిశను లెక్కించండి.

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UPPCL AE Electrical 2 April 2022 Official Paper (Shift 1)
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  1. 4ax - 2ay + 5aZ
  2. 8ax + 2ay + 9aZ
  3. 4ax - 2ay + aZ
  4. 6ax - 2ay + aZ

Answer (Detailed Solution Below)

Option 3 : 4ax - 2ay + aZ
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ST 1: UPPCL AE - Electric Circuits
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Detailed Solution

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భావన:

P (x1 , y1 , z1) మరియు Q (x2 , y2 , z2) అనే రెండు బిందువుల మధ్య దూర సదిశ ఇలా ఇవ్వబడుతుంది:

\(\vec{PQ}=(x_2-x_1)\hat{a_x}+(y_2-y_1)\hat{a_y}+(z_2-z_1)\hat{a_z}\)

లెక్కింపు:

ఇవ్వబడింది, P = (2, 0, 4)

Q = (6, -2, 5)

\(\vec{PQ}=(6-2)\hat{a_x}+(-2-0)\hat{a_y}+(5-4)\hat{a_z}\)

\(\vec{PQ}=4\hat{a_x}-2\hat{a_y}+\hat{a_z}\)

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