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1. 3.54

  • A. 30
  • B. 30
  • C. 30
  • D. 30

Answer: Option C

Explanation:

(√3 X √5 )4 = (√3)4 X(√5)4 [ (ab)2 = a 2b2] = {(√3)2 }2 x{(√5)2}2 = (32)X(5)2 [ (√a)2 = a ] = 9 X 25 = 225

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