Let x = 4 be a directrix to an ellipse whose centre is at the origin and whose eccentricity is 12. If P(1, β) (where β > 0) is a point on this ellipse, then the equation of the normal to it at P is:

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?