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mr.luna

  • 4 years ago

A = bh/2 A' = b'h/2 + bh'/2 b' = (A' - bh'/2)(2/h) can someone explain this. its steps to the derivative of bh/2.

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  1. QED
    • 4 years ago
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    You need an explanation of the entire thing, or the last simplification?

  2. mr.luna
    • 4 years ago
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    uh, whole thing, why is product rule used for the second step and not quotient rule since its divided by 2, and i need help simplying step 2 to 3

  3. QED
    • 4 years ago
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    Well the only variables are b and h on the right hand side, so the 2 is just a coefficient.... You can just rewrite it as : (1/2)(bh) and do product rule for bh

  4. mr.luna
    • 4 years ago
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    got it.

  5. QED
    • 4 years ago
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    so by what i said (1/2) (bh' + b'h)

  6. QED
    • 4 years ago
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    and then you just isolate b'

  7. mr.luna
    • 4 years ago
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    right

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