MathematicsMedium63×since 2002Q3707If y² + log_e (cos²x) = y, x∈(−π2,π2)x \in \left( { - {\pi \over 2},{\pi \over 2}} \right)x∈(−2π,2π), then :A|y''(0)| = 2B|y'(0)| + |y''(0)| = 3Cy''(0) = 0D|y'(0)| + |y"(0)| = 1Check answerSkip