defence exam Army Havildar SAC Mock Test Series 2025 Mathematics Differential Calculus Applications of Derivatives
Find the equation of the normal to the curve y = 3x2 + 1, which passes through (2, 13)
1
x + 12y + 158 = 0
2
x - 12y - 156 = 0
3
12x + y - 156 = 0
4
x + 12y - 158 = 0