Just wondering about the validity of this answer obtained via using an identity? A second opinion would be much appreciated! Thanks.
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Looks good to me. - Hollywood
Originally Posted by DonGorgon Just wondering about the validity of this answer obtained via using an identity? A second opinion would be much appreciated! Thanks. Even though this solution looks fine, it is NOT the most efficient method in this case. I always tell my students to look for obvious substitutions. Now let and the integral becomes
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