A curve which passes through (1,2) and whose sub-normal at every point is 2, is

What is the equation of the normal to the curve:𝑦=(3𝑥+2)2y=(3x+2) 2 y, equals, left parenthesis, 3, x, plus, 2, right parenthesis, squaredat the point where 𝑥=2x=2x, equals, 2?

What is the equation of the normal to the curve:𝑦=12𝑥−2y= 2x−21​ y, equals, start fraction, 1, divided by, 2, x, minus, 2, end fractionat the point where 𝑥=3x=3x, equals, 3?

What is the equation of the normal to the curve:𝑦=2𝑥−1y= 2x−1​ y, equals, square root of, 2, x, minus, 1, end square rootat the point where 𝑥=5x=5x, equals, 5?

The points of inflexion of the normal curve( )2- t-101 32f(t) = e4 2π are(a) 6, 14(b) 5,15(c) 4,16(d) none of these

What is the equation of the line normal to f(x) at the point x=1?