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Question 93Asked in RRB JE CBT-1, 16 Dec 2024, Shift 2 (12:45 PM)

Write the expanded form of (8a + 5b + 9c)².

  1. A64a² + 25b² + 81c² + 84ab + 90bc + 144ac
  2. B64a² + 25b² + 81c² + 80ab + 85bc + 144ac
  3. C64a² + 25b² + 81c² + 80ab + 90bc + 144ac
  4. D64a² + 25b² + 81c² + 80ab + 90bc + 154ac
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Correct answer: (C) 64a² + 25b² + 81c² + 80ab + 90bc + 144ac

From RRB JE CBT-1 PYQ 16 Dec 2024, Shift 2 (12:45 PM)

This is question 93 of RRB JE CBT-1 PYQ 16 Dec 2024, Shift 2 (12:45 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.