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given answer: (6x-7) /5
The figure shows the curve represented by the polar equation r=cos 3θ ,0≤θ≤π. Find the area of the region enclosed by the curve?
Answer given is π/4
If the length of the tangent from the point (a,1) to the circle x²+y²+5x+7y+3=0 is 5, find the value of a.?
given answer -7 or 2