ISRO Electrical Engineering (EE) 2020 - Question 76

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Given the points A(x = 2, y = 3, z = -1) and B(r = 4, θ = 30°, φ = 120°). Find distance between A and B.

  • A. 7.26
  • B. 4.10
  • C. 6.12
  • D. 5.53

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