how is 9e done? the answer is 0, 2

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secondary 3 A Maths Singapore

how is 9e done? the answer is 0, 2

Date Posted: 5 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

We need to use rules of indices to extract 3^x. The substitution u = 3^x simplifies the equation, but eventually we have to solve for x, not just u.

Date Posted: 5 years ago