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  1. R

    !!How to write in negative indices and Steps please!!!!

    How to write this (x^1/2) / x^2 into negative indices? Please write down the steps
  2. R

    Help!! How to find the area of this shaded circle?

    These three circles are drawn so that they touch each other and their centres are all on the line AB.  If CD is 8 units in length, what is the area of the part that is shaded yellow? PLEASE LOOK AT THE BENEATH LINK TO THE PICTURE OF THE CIRCLES! http://nrich.maths.org/6323...
  3. R

    !!! Is this the correct way to expand and combine??

    Thankyou :)
  4. R

    !!! Is this the correct way to expand and combine??

    x-y+2=0 and y^2=4px y=x+2 re arrange line equation and sub into the parabola equation. (x+2)^2 = 4px giving a quadratic equation when expanded? x^2 +4x + 4 = 4px x^2 +(4-4p)x + 4 Is this the correct way to combine the x terms?
  5. R

    !!! How to solve for k?

    (6-4K)^2 - 36 = 0 Find K?
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