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  1. Suchal Riaz

    Mathematics: Post your doubts here!

    I will solve next one when im free
  2. Suchal Riaz

    History 4 Marks Questions WITH ANSWERS - ALL POSSIBLE QUESTION

    i have seen the new paper pattern but there is no way i can make notes of question 1 as it depends on the sources given by examiner. please tell me how i can help.
  3. Suchal Riaz

    Mathematics: Post your doubts here!

    but actually 3-1/2log2 isn't a single log. its better to make 3=loge^3 and then make that as single log only.
  4. Suchal Riaz

    Mathematics: Post your doubts here!

  5. Suchal Riaz

    Mathematics: Post your doubts here!

    if a degree three term is divided by degree two term we get a linear(degree 1) term not a constant. do u want me to do that now would u like to try it again?
  6. Suchal Riaz

    Mathematics: Post your doubts here!

    take limit that t=infinity. so we get 1800*infinity/infinity which actually equals 1800.
  7. Suchal Riaz

    Mathematics: Post your doubts here!

    yes u can. just sketch a graph of sin and then think that u are taking root of every important point. like at 0 sin is 0 so sin^1/2 is 0. at pi/2 it is 1 so sin^1/2 is one. and so on. but in third and fourth quadrant sin will be negative so it's square root will not be real. so the graph from...
  8. Suchal Riaz

    Mathematics: Post your doubts here!

    This is step by step solution of integral. U can put values of x and take the difference urself. And if u r doing it for P1 then it is not in syllabus. It is in P2 because the logs are not in P1.
  9. Suchal Riaz

    Cambridge A/As level Coursebook by Cambridge University Press for Physics and Chemistry. Oxford...

    Cambridge A/As level Coursebook by Cambridge University Press for Physics and Chemistry. Oxford Pure math 1 and oxford pure math 2&3 for pure math. i don't know about mechanics and statistics.
  10. Suchal Riaz

    Physics: Post your doubts here!

    Cambridge Internation A/As level Physics Coursebook by Cambridge University press
  11. Suchal Riaz

    Physics: Post your doubts here!

    Cambridge Internation A/As level Physics Coursebook by Cambridge University press
  12. Suchal Riaz

    Physics: Post your doubts here!

    there is no reference of 'projectile' motion in physics syllabus. although you are required to understand that in such motions the velocity in one direction is constant but in perpendicular direction it is accelerated. as well as basic things such as at highest point the vertical velocity will...
  13. Suchal Riaz

    History 4 Marks Questions WITH ANSWERS - ALL POSSIBLE QUESTION

    i don't have books. I don't have time. but i will try to do anything like making notes of all possible short questions with answers before may/june 2015. just pray that I am able to do this for u guys like i did before.
  14. Suchal Riaz

    Oct/Nov 2013 paper?

    in automated data capture system there is always high ratio of lost data. CIE would must have done any second options to the recheck the papers which have very less marks as it would have high probability that there is some issue in capturing of data. your papers would score no marks so they...
  15. Suchal Riaz

    Oct/Nov 2013 paper?

    All u can do to help ur self is to keep calm because nothing else can be done now. Many people do such mistake and are very depressed and then get good grades in results. So don't worry.
  16. Suchal Riaz

    Oct/Nov 2013 paper?

    they should be available about ten days before results
  17. Suchal Riaz

    U act like u study all day.

    U act like u study all day.
  18. Suchal Riaz

    Physics: Post your doubts here!

    mechanics is boring. relativity is astounding. quantum mechanics is weird. string theory is mind-blowing. but the relation between them, what we call physics, is beautiful.
  19. Suchal Riaz

    Physics: Post your doubts here!

    mechanics is boring. relativity is astounding. quantum mechanics is weird. string theory is mind-blowing. but the relation between them, what we call physics, is beautiful.
  20. Suchal Riaz

    Physics: Post your doubts here!

    Ok i got everything. But can please explain the assumption that system is in equilibrium and upward force = download force. When the kid is pushing the water upwards the upward force must be bigger. I think thats because we are asked to find maximum height?
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