Get the information you need with the help of IDNLearn.com's extensive Q&A platform. Get prompt and accurate answers to your questions from our community of experts who are always ready to help.

The area of a circle is 4x² + 12лx + 9л.
a. What is an expression for the radius of the circle?
b. What is the least possible integer value of x for the circle to exist? Explain.

plspls help me