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  1. Nikesh

    Vector Help

    Somebody plz provide me some important notes on Three Dimensional Vector.........
  2. Nikesh

    maths problems

    Solution of Question 1) is its answer 10. I think its 10 because there are total 5 identical balls out of which we have to pick up 3 ball at once and get their sum. For this order of balls do not matter at all as 123,213,321 gives the same sum. So we have to use the combination rule i.e.5Cr3...
  3. Nikesh

    maths(p1)

    but the mind blowing fact is that the equation is satisfied by all the values of x except 0. If we keep the value of x=0, dy/dx gives the value 0 which is not greater than 0 as the question says to prove it!!!!
  4. Nikesh

    Ideal Gas Equation!

    nR might be equal to mass in some extent as number of moles(n) can b converted into gram molecular weight \molar mass!!!!!!!!!! and when it is multiplied with the constant R it again gives the unit of mass........... Dont get me wrong coz i jus think it to b true!!!!!!!!!!!!
  5. Nikesh

    G.P. help

    wat do u mean by GP man!!!!!!!!!! i don think there is any subject named GP in the content of CIE A-level
  6. Nikesh

    maths(p1)

    its so simple man!!!!!!!!!!!!!!!!!!!!! firstly differentiate the given equation and then check the value of dy\dx with the values greater than -1. You will get you answer right after it..... got it or still confused!!!!!!!!!!!!
  7. Nikesh

    Stats probability help

    ya its the same question!!!!!!!!!!!!!!!!
  8. Nikesh

    Stats probability help

    sorry i could not get your logic could u plz elaborate it!!!!!!!!!!!!!!!
  9. Nikesh

    urgent help plzz maths

    its a simple question........ first change the given equation into y=(5x+4)^1\2 which is in the form of (ax+b)^n and we do have the formula of differentiating such equation with a general formula, dy\dx = n(ax+b)^n-1 * a Similarly in the above case you would get its differentiation as dy\dx =...
  10. Nikesh

    Something interesting here!!!!!!!

    now thats wat i call a complete solution................thanx buddy!!!!
  11. Nikesh

    Something interesting here!!!!!!!

    i don think ur solution is correct.............plz give me a correct solution
  12. Nikesh

    Something interesting here!!!!!!!

    A funnel has a circular top of diameter 20cm and a height of 30cm. When the depth of the liquid in the funnel is 12cm, the liquid is dripping from the funnel at a rate of 0.2cm3\s. At what rate is the depth of the liquid in the funnel decreasing at this instant? :roll:
  13. Nikesh

    Math help

    thats not gud enough to get full marks...... after putting values of x in the given equation of y if u get the value y=0 then it is likely to say that ur stationary pts. lie on the x-axis!!!!!
  14. Nikesh

    Stats probability help

    What is the probability that out of 23 randomly chosen people at least 2 shares a birthday? All the 365 days are equally likely and ignore leap years?????????? :shock:
  15. Nikesh

    tricky one

    not understood clearly........ could u plz clarify it once again
  16. Nikesh

    Need help in book selection

    Thats the same book we are using now................................ is there no other books for Chemistry that can clarify the concept in clear understanding..!!!!
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