Question

• Intgration 0to1 e^t/1+t=athen integration o to1e^t/(1+t)^2

X-x^2/2+x^3/3-x^4/4+....infinite.

The value of x for which the following series converges 

a cyclist after riding a certain distance stopped for half an hour to repair his bicycle which he completed the whole journey of 30 km at half the speed in 5 hours.if the break down had occured 10km further off,he would have done the whole journey in 4 hours.find where the break down had occured and his orignal speed

Root 1+cos thita/1-cos thita = cosec thita + cot thita

a cyclist after riding a certain distance stopped for half an hour to repair his bicycle which he completed the whole journey of 30 km at half the speed in 5 hours.if the break down had occured 10km further off,he would have done the whole journey in 4 hours.find where the break down had occured and his orignal speed

question from opening balance in tally-under what head advance payment to director sanjeev oberoi will go and cash will go under which head in tally 

If x belongs to S a non empty set of real number then 

a)Infemum of x = supremum of x

b) Infemum of x = - Supremum (-x)

c) Infemum of x = supremum of (-x)

d)Infemum of x = - supremum of x

R/S There is mistake chapter 2 and exercise 2.4 optional  question  Number  4. Really your app wonderful and interesting solution but some solutions are very long. Please give their short solution with video effects.

Thanking you! 

In any triangle ABC, prove that 

[(b^2-c^2)/a^2]sin2A +[(c^2-a^2)/b^2]sin2B +[(a^2-b^2)/c^2]sin2C = 0

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