The area enclosed by the curves y = sinx + cosx and y = |cosx – sinx| over the interval [0, π/2] is given as 2√a(√b - √c) where a and b are prime numbers then the value of a, b and c respectively are
(a) 2, 2, 1
(b) 2, 2, –1
(c) 3, 2, –1
(d) of these
