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9 April, 03:30

Given that f (x) = 13x2 + 156, find x. A) x = ±2i 3 B) x = ±2i 6 C) x = ±3i 5 D) x = ±3i 6

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  1. 9 April, 03:49
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    A) x = ±2i√3

    Step-by-step explanation:

    We presume you want to find x such that f (x) = 0.

    Divide by 13:

    x² + 12 = 0

    Subtract 12:

    x² = - 12

    Take the square root:

    x = ±i√12 = ±2i√3
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