Find D when 8x^3-12x^2-2x+D is divided by 2x+1 when the remainder is -2
8x3-12x2-2x+D...(1)
2x+1...(2)
Assume 2x+1=0 so x=-1/2
8x3-12x2-2x+D=-2... when divided by (2)
substitute -1/2 into all X values
rearrange to find D
SW
Related Maths A Level answers
All answers ▸Why is 2 + 2 not equal to 12?
Find the binomial expansion of (4-8x)^(-3/2) in ascending powers of x, up to and including the term in x^3. Give each coefficient as a fraction in its simplest form. For what range of x is a binomial expansion valid?
How do I work out what integration method I should use to solve an integral?
Integrate Sin^2(x)