Search results

  1. C

    Polynomials

    Help please Polynomial P(x) = ax^3 - bx^2 +cx -8 has zeros at 2 and -1 and P(3) =28 Find the values of a,b and c
  2. C

    trig result 2

    Need help with the following solve for 0 <=x<=2pi cos x +sqrt 3 sin x=2
  3. C

    trig result

    Could I have help with the following Simplify [1-sin(pi/2-2 theta)]/sin 2 theta
  4. C

    integration using substitution

    Hi all, Could I have help with ∫(limits 1 and -3) dx/√(x+3) using x=u^2-3
  5. C

    Probability

    If the numerals 2,3,4,5,6 are randomly arranged to make a 5 digit number, what is the probability the number is: a) an odd number less than 30000 b) an even number greater than 40000
  7. C

    binomial theorem relationship between coefficients

    Hi I'm stuck on how to begin this question Assistance would be appreciated The coefficients of x^4 and x^5 in the expansion of (3 - x)^n are equal in magnitude but opposite in sign. Find the value of n.
  8. C

    binomial theorem relationship between coefficients

    Could I have the working of this question please Find the coefficient of the x^3 term in (1+x)^2(1+x)^8
  9. C

    binomial therom

    Can I have assistance for this question please The expansion of (1+an)^n is given by 1-24x+252x^2-...Find values for a and n Could you please explain how to do this thanks
  10. C

    impossible stationary points

    Hi I would like some assistance on this question Thanks find any turning point on the curve y=(x-3)√(4-x) and determine their nature.
Top