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Question
If f(m) = m2 − 3m + 1, find `(("f"(2 + "h") - "f"(2))/"h"), "h" ≠ 0`
Sum
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Solution
f(m) = m2 – 3m + 1
`(("f"(2 + "h") - "f"(2))/"h")`
= `((2 + "h")^2 - 3(2 + "h") + 1 - (2^2 - 3(2) + 1))/"h"`
= `("h"^2 + "h")/"h"`
= h + 1
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