Q. The polynomial function f is defined as f(m)=(m3−m2−17m−15)(m+1). When f(m) is divided by (m+1), what is the remainder?
Apply Remainder Theorem: To find the remainder when f(m) is divided by (m+1), we can use the Remainder Theorem which states that the remainder of the division of a polynomial f(x) by (x−c) is f(c).
Substitute m with −1: In this case, we need to find f(−1) because we are dividing by (m+1), which is the same as (m−(−1)).
Simplify the expression: Now, let's substitute m with −1 in the polynomial f(m)=(m3−m2−17m−15)(m+1).
Simplify the expression: Now, let's substitute m with −1 in the polynomial f(m)=(m3−m2−17m−15)(m+1).f(−1)=((−1)3−(−1)2−17(−1)−15)(−1+1).
Simplify the expression: Now, let's substitute m with −1 in the polynomial f(m)=(m3−m2−17m−15)(m+1).f(−1)=((−1)3−(−1)2−17(−1)−15)(−1+1).Simplify the expression: f(−1)=((−1)−(1)+17−15)(0).
Simplify the expression: Now, let's substitute m with −1 in the polynomial f(m)=(m3−m2−17m−15)(m+1).f(−1)=((−1)3−(−1)2−17(−1)−15)(−1+1).Simplify the expression: f(−1)=((−1)−(1)+17−15)(0).f(−1)=(0)(0)=0.
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