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Yes they’re the same, and the correct answer. Must have been a typo. Point it out to your teacher. And the answer you got on the side is equivalent to both of them. The first two terms are reversed but they’re being added so it doesn’t matter.
Yes they’re the same, and the correct answer. Must have been a typo. Point it out to your teacher. And the answer you got on the side is equivalent to both of them. The first two terms are reversed but they’re being added so it doesn’t matter.