JEE Main 2018Session, Shift 1MathematicsMediumLimit, Continuity and Differentiability420× since 2002If the curves y² = 6x, 9x² + by² = 16 intersect each other at right angles, then the value of b is :AOption A. 92{9 \over 2}29BOption B. 6COption C. 72{7 \over 2}27DOption D. 4CheckSkip · show solution