Question

Let $P$ and $Q$ be any two points on the curve $x=acos\theta$ , $y=bsin\theta$ , where $ a > , b, 0 \le ,\theta

• A. $a$
• B. $2a$
• C. $2b$
• D. $b$

Answer 1

Answer: (B)

$2a$

Answer 2

Answer (b) $2a$