Original post by AndyOC
Stuck on this exercise..
Find the quotient and the remainder when the polynomial P(x) is divided by (x-2)
P(x)= x^2+x-3
Find the quotient and the remainder when the polynomial P(x) is divided by (x-2)
P(x)= x^2+x-3
Are you familiar with long division?
Original post by Smaug123
Are you familiar with long division?
Not really
Original post by AndyOC
Not really
OK, we'll do it longhand. , and the question is to find q and r. What can you tell me about q, r? (Start with the degrees of the polynomials, but feel free not to stop with them.)
Original post by Smaug123
OK, we'll do it longhand. , and the question is to find q and r. What can you tell me about q, r? (Start with the degrees of the polynomials, but feel free not to stop with them.)
I got q to equal 7 and r to equal 11, but doesn't seem right to me
Original post by AndyOC
I got q to equal 7 and r to equal 11, but doesn't seem right to me
Indeed it's not right: , not .
What degrees do have?
Original post by AndyOC
I'm not sure
Your textbook should tell you, perhaps in a section called the "division algorithm".
Original post by AndyOC
So I can see where I've gone wrong
Show me your working first, and then I can tell you :P
So this is the method I've used
Posted from TSR Mobile
Original post by AndyOC
has a cubic term. You will need the polynomial to be linear.
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