Category: algebra

  • Whats the population; if male and female literacy is given as percentage.

    May I add one more small note, see how easy it becomes to understand an “order of estimate”; A good student, that is one with a good maths background, should immediately pick up, population ~ 1.19 million. 61.26 % male. 58.04 % female. (Not only literate but total male and female). Then even, one question…

  • Two beautiful theorems

    Thm-2; In the above expansion the sum of odd coefficient is same as the sum of even coefficient. put x=-1, then from above; 1+∑even- coefficients = ∑odd-coefficients = 1/2(∑all-coefficients) =