Mathematics
If x25 + x24 is divided by (x + 1), the result is :
49
1
0
-1
Factorisation
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Answer
By remainder theorem,
The remainder theorem states that when a polynomial f(x) is divided by (x - a), then the remainder = f(a).
Given,
⇒ x + 1 = 0
⇒ x = -1.
Substituting x = -1 in x25 + x24, we get :
⇒ (-1)25 + (-1)24
⇒ -1 + 1
⇒ 0.
Hence, Option 3 is the correct option.
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