1.Let P=∏k=2n(1−1k2)P = \prod_{k=2}^{n} \left(1 - \frac{1}{k^2}\right)P=∏k=2n(1−k21). If limn→∞P\lim_{n \to \infty} Plimn→∞P can be expressed as lowest rational ab\frac{a}{b}ba, then the value of (a+b)(a + b)(a+b) isa.444b.888c.101010d.121212Login to continueOnly logged in users canattempt or see the solution.