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QUESTION
Q
If f(x) = x3 – 4x + p , and f(0) and f(1) are of opposite signs, then which of the following is necessarily true

Solution

f(0) = 03 − 4(0) + p = p f(1) = 13 − 4(1) + p = p − 3 If p and p – 3 are of...

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