Solution: By the Remainder Theorem, the remainder when a polynomial \( f(x) \) is divided by \( x - c \) is \( f(c) \). Here, \( f(x) = x^3 - 4x + 1 \) and \( c = 2 \).

["Solution: Using the Remainder Theorem to Find the Remainder of ( f(x) = x^3 - 4x + 1 ) Divided by ( x - 2 )", "When dividing polynomials, one of the most efficient methods to find the remainder without performing long division is the Remainder Theorem. This theorem states that the remainder when a polynomial ( f(x) ) is divided by ( x - c ) is simply the value of the polynomial evaluated at ( x = c ). That is:", "[\n\ ext{Remainder} = f(c)\n]", "In this article, we apply the Remainder Theorem to compute the remainder when ( f(x) = x^3 - 4x + 1 ) is divided by ( x - 2 ), using ( c = 2 ).", "---", "Step-by-step Solution", "1. Recall the Remainder Theorem:\n Divide ( f(x) ) by ( x - c ). Then,\n [\n f(x) = (x - c) \cdot Q(x) + R\n ]\n where ( Q(x) ) is the quotient and ( R = f(c) ) is the remainder—since the divisor is linear.", "2. Substitute ( x = c = 2 ) into ( f(x) ):\n [\n f(2) = (2)^3 - 4(2) + 1\n ]", "3. Evaluate each term:\n [\n 2^3 = 8\n ]\n [\n -4 \cdot 2 = -8\n ]\n [\n f(2) = 8 - 8 + 1 = 1\n ]", "4. Conclusion:\n The remainder when ( f(x) = x^3 - 4x + 1 ) is divided by ( x - 2 ) is ( \boxed{1} ).", "---", "Why This Method is Powerful\nInstead of performing polynomial long division, the Remainder Theorem gives a quick algebraic shortcut. This is especially useful in factorization, solving polynomial equations, and verifying roots.", "---", "Real-World Applications\nEngineers and scientists frequently use this theorem to evaluate polynomial outputs efficiently, such as in modeling physical systems, signal processing, or financial forecasting.", "---", "Final Note\nBy applying the Remainder Theorem, we confirmed that:", "[\nf(2) = 1 \quad \Rightarrow \quad \ ext{Remainder}(f(x) \div x - 2) = 1\n]", "This elegant method confirms the remainder in seconds, streamlining polynomial division.", "---", "Keywords: Remainder Theorem, polynomial division, remainder calculation, evaluate f(c), ( f(x) = x^3 - 4x + 1 ), ( x - 2 ), divisor, remainder in algebra, efficient polynomial remainder, math example, remainder done fast, Remainder Theorem steps"]









