Let f(x) = x2 be integrable on [0, 2]. Using the definition of Riemann integration as a limit of a sum, evaluate the value of limn→∞ ∑r=1n 2n × (2rn)2.

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?