Rectilinear Propagation of Light

question 1 of 1 Grade: Eleven - G11

Q: Light travels in straight lines. Name this principle.

Did You Know?

Factor by grouping: \((x^3 - 3x^2) + (-4x + 12) = x^2(x - 3) - 4(x - 3) = (x - 3)(x^2 - 4) = (x - 3)(x - 2)(x + 2)\). Zeros: x = 3, 2, -2

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