The angle between the planes 4x + 2y - 5z = 11 and 3x - 5y - 6z = 2 is:

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Solution

The correct option is B

Let the angle between the planes be θ.

Also, here, A₁ = 4, B₁ = 2, C₁ = -5 and A₂ = 3, B₂ = -5, C₂ = -6.

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