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ℓ(x)=x^(4)+36x^(2)-10,000
The polynomial function 
ℓ is defined. What is the remainder of 
ℓ(x) when divided by 
x+10 ?

(x)=x4+36x210,000 \ell(x)=x^{4}+36 x^{2}-10,000 \newlineThe polynomial function \ell is defined. What is the remainder of (x) \ell(x) when divided by x+10 x+10 ?

Full solution

Q. (x)=x4+36x210,000 \ell(x)=x^{4}+36 x^{2}-10,000 \newlineThe polynomial function \ell is defined. What is the remainder of (x) \ell(x) when divided by x+10 x+10 ?
  1. Use Remainder Theorem: To find the remainder of (x)\ell(x) when divided by x+10x + 10, we can use the Remainder Theorem. The Remainder Theorem states that the remainder of a polynomial f(x)f(x) divided by xkx - k is f(k)f(k). Since we are dividing by x+10x + 10, we will find (10)\ell(-10).
  2. Substitute x=10x = -10: Substitute x=10x = -10 into the polynomial (x)\ell(x).(10)=(10)4+36(10)210,000\ell(-10) = (-10)^4 + 36(-10)^2 - 10,000
  3. Calculate value of (10)\ell(-10): Calculate the value of (10)\ell(-10).(10)=(10000)+36(100)10,000\ell(-10) = (10000) + 36(100) - 10,000(10)=10000+360010000\ell(-10) = 10000 + 3600 - 10000
  4. Simplify expression: Simplify the expression to find the remainder.\newline(10)=10000+360010000\ell(-10) = 10000 + 3600 - 10000\newline(10)=3600\ell(-10) = 3600

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