The reasoning underneath Polynomial Long Division
Polynomial long division cancels the current leading term by multiplying the divisor by a suitable monomial, subtracting, and repeating.
Divide leading terms, append that quotient term, subtract the shifted divisor multiple, and continue until the remainder degree is smaller. To continue from Polynomial Long Division, try linear shortcut.
Seeing Polynomial Long Division step by step
Dividing [1,−6,11,−6] by [1,−2] yields quotient [1,−4,3] and remainder [0].
It supports rational expressions, factorization, asymptotes, and algebraic simplification when the divisor has any nonzero leading coefficient. A related application of Polynomial Long Division is reconstruct the dividend.
Boundary cases in Polynomial Long Division
The zero polynomial cannot be a divisor. Coefficient lists must keep internal zeros and run from highest power to constant.
Reviewing the Polynomial Long Division case
The relationship between Dividend coefficients, highest power first and Polynomial quotient provides another check on Polynomial Long Division. Move Dividend coefficients, highest power first slightly while keeping Divisor coefficients, highest power first constant, then decide in advance whether Polynomial quotient ought to rise, fall, or remain unchanged.
Rework Polynomial Long Division without copying Polynomial quotient. Begin with Dividend coefficients, highest power first and preserve Divisor coefficients, highest power first. Predict the scale of the Polynomial Long Division answer, then compare it with Polynomial quotient. Store a changed Divisor coefficients, highest power first as another Polynomial Long Division case.
Validating Polynomial Long Division
Challenge Polynomial quotient with a nearby value of Dividend coefficients, highest power first. Leave Divisor coefficients, highest power first fixed during the Polynomial Long Division trial. The direction of the new Polynomial quotient should agree with the underlying Polynomial Long Division relationship.
Reviewing Polynomial Long Division in context
Change only Dividend coefficients, highest power first during a Polynomial Long Division trial. With Divisor coefficients, highest power first unchanged, the movement in Polynomial quotient should follow the stated mathematical relationship.
Record the first Polynomial Long Division setup before editing Dividend coefficients, highest power first. A later value of Polynomial quotient should remain attached to its own inputs.