if f(x + 2y, x - 2y) = xy then, find f(2013, 2012) = - Maths - Polynomials

Question

if f(x + 2y, x - 2y) = xy then, find f(2013, 2012) = ?

Pronay · Accepted Answer

$f (2013, 2012) = f (2012 5 + 0 5, 2012 5 - 0 5)$ Therefore $x = 2012 5 2 y = 0 5 \Rightarrow y = 0 25$ $x y = 2012 5 \times 0 25 = 503 125$ Hence $f (2013, 2012) = 503 125$