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View Full Version : Polynomial and finding variables


MynameisBob
Feb 3, 2009, 12:16 AM
ax²+bx²+2 ≡ 4x²+a-b

Find a and b

ebaines
Feb 3, 2009, 11:34 AM
Assuming that a and b are constants, and that this equation is to be true for all values of x:

Try grouping the coefficients of the x^2 terms together and then group the remaining terms togther. You should end up with two simple simultaneous equations for a and b.