Partial Derivatives and Gradient Week2 Practice quiz

Course Q&A Math for Machine Learning Calculus for Machine Learning and Data Science
1

Going nuts here with question no 1
Given that

{moderator edit - quiz question and answer removed}

I can’t seem to get rid of error ‘error parsing submission’, tried it in Chrome as well as Edge.

Also my answer is marked as wrong, I tried various combinations, no luck. Exactly what is worng here?

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2

Try removing the parens. Notice that they just assume the usual operator precedence rules and do not have any parens in their example. Also note that you need a * between the 2 and the x in the first term.

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3

Thanks a lot 2*x was the problem.

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