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20 April, 22:57

Evaluate 3a^2 + 4b^2 for a = 2 and b = 3

A) 168

B) 48

C) 36

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Answers (1)
  1. 20 April, 23:23
    0
    B

    Step-by-step explanation:

    Given

    3a² + 4b² (substitute a = 2 and b = 3 into the expression)

    = 3 (2) ² + 4 (3) ²

    = 3 (4) + 4 (9)

    = 12 + 36

    = 48 → B
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