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Recent content by Bumble_bee

  1. Bumble_bee

    Physics: Post your doubts here!

    I think this is how you do it.
  2. Bumble_bee

    Mathematics: Post your doubts here!

    Thanks a lot for the explanation..! :))))
  3. Bumble_bee

    Mathematics: Post your doubts here!

    1) 2^x - 2^-x = 1 can be written as 2^x - 1/2^x = 1. And since y=2^x , the eqn can be written as y - 1/y = 1. You can hence form the quad eqn y^2 - 1 = y (by multiplying both sides by y) which then rearranges to give y^2 - y -1=0. 2) You can solve the quad eqn involving y to give y= 1.618 and...
  4. Bumble_bee

    Mathematics: Post your doubts here!

    Assalamualikum and hello everyone. I'm stuck in this question, so can anyone solve it for me?Would be of great help. Thanx. The parametric equations of a curve are x=2ɵ+cosɵ y=ɵ+sinɵ where 0≤ɵ≤2π 1. Find dy/dx in terms of Ɵ. 2. Show that, at points on the curve where the gradient is 3/4...
  5. Bumble_bee

    Tips to get A* in A'levels

    Thanks for your kind pieces of advice.
  6. Bumble_bee

    biology revision guide by Mary jones??

    Thanks a lot!! I've been wanting this for a long time and finally found it. And btw, I am new here. :))) Created the account long time back but only using it now. ;)
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