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I am confused im trying to get the derivative of $3xy$ out of this entire equation $$y= 4x^5 + 3xy + 5$$

Do I use the product rule here?

When I take the derivative, I try product rule.

$$(3)(y) \times (3x)(1)$$

So then I get $$3y \times 3x$$

Am I on the right track?

Maybe I am lost but I am assuming its product rule unless its another tactic I have to use here?

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    @soniccool Kindly use upper case "I" instead of lower case "i" to denote self. Using lower case "i" is incorrect. http://english.stackexchange.com/questions/172/is-it-alright-to-use-lowercase-i-or-should-you-always-use-i-uppercase I edited few of your post to change lower case "i" to upper case "I".2012-11-22

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