What is the radius of the circle 4x^2+4y^2-20x+12y-15=0?

NDA 2021 Mathematics question

What is the radius of the circle ?

Answer: (D)

Divide by 4 to get the standard form: . Comparing with : , , . Radius

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-033547