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

Question

Mathematics

Benton

10 June, 20:41

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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Answers (1)

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Tianna Decker · Answer 1

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