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  1. F

    harder series and sequences

    I need help with this question ! http://img512.imageshack.us/img512/5732/img009qjr.jpg can someone please teach me how to find the answer :O or show me THANKS !
  2. F

    binomials

    someone help me, i think its easy but i needa know the concept (1+px)^n = 1 + 15x + 90x^2 + ... find the values of p and n
  3. F

    two qs

    How do businesses protect themselves from globalisation? dick smith? How does globalisation get affected by international agencies? GATT, UN any help will do :)
  4. F

    another maximum

    A window frame has the shape of a rectangle surmounted by a semicircle. The perimeter of the frame is constant. Show that, for maximum area, the height of the rectangle is equal to the radius of the semicircle is this just a rectangle with an arc on top?
  5. F

    maximum problem

    Find the maximum volume of a right circular cone whose slant edge has a constant length measure a. the answer is (2root3 x pi x a^3) /27 please help :)
  6. F

    series application q

    at 1 july 1985, anna invested $10 000 in a bank account that paid interest at a fixed rate of 8% per annum, compounded annually. Anna added $1000 to her account on 1 july each year, beginning on 1 july 1986. How much was in her account on 1 july 1995 after payment of interest and her deposit...
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