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Transform r=33+2cosθ𝑟=33+2𝑐𝑜𝑠𝜃 into Cartesian coordinates.Question 4AnswerA.5x2+9y2−12x−9=05𝑥2+9𝑦2−12𝑥−9=0B.5x2+9y2+12x−9=05𝑥2+9𝑦2+12𝑥−9=0C.5x2+9y2+12x+9=05𝑥2+9𝑦2+12𝑥+9=0D.5x2−9y2+12x+9=05𝑥2−9𝑦2+12𝑥+9=0Clear my choice

Question

Transform r=33+2cosθ𝑟=33+2𝑐𝑜𝑠𝜃 into Cartesian coordinates.Question 4AnswerA.5x2+9y2−12x−9=05𝑥2+9𝑦2−12𝑥−9=0B.5x2+9y2+12x−9=05𝑥2+9𝑦2+12𝑥−9=0C.5x2+9y2+12x+9=05𝑥2+9𝑦2+12𝑥+9=0D.5x2−9y2+12x+9=05𝑥2−9𝑦2+12𝑥+9=0Clear my choice

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Solution

To transform the polar equation r = 33 + 2cosθ into Cartesian coordinates, we need to use the relationships x = rcosθ and y = rsinθ.

Step 1: Express r in terms of x and y. We know that r = sqrt(x^2 + y^2).

Step 2: Express cosθ in terms of x and y. We know that cosθ = x/r.

Step 3: Substitute these expressions into the polar equation.

We get sqrt(x^2 + y^2) = 33 + 2*(x/sqrt(x^2 + y^2)).

Step 4: Square both sides to get rid of the square root.

We get x^2 + y^2 = (33 + 2x)^2.

Step 5: Expand the right side and simplify the equation.

We get x^2 + y^2 = 1089 + 132x + 4x^2.

Step 6: Rearrange the equation to get it in the standard form of a conic section (ellipse, parabola, hyperbola).

We get 3x^2 - y^2 + 132x - 1089 = 0.

None of the provided options (A, B, C, D) match this equation. There might be a mistake in the question or in the provided options.

This problem has been solved

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