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## Main Question or Discussion Point

hi guys

im debating whether this question requires trignometric substitution or just normal substitution.

∫ √9-2(x-1)²

Im leaning towards normal substitution, with u = x-1, but im not sure

Any ideas

Thanx heaps

im debating whether this question requires trignometric substitution or just normal substitution.

∫ √9-2(x-1)²

Im leaning towards normal substitution, with u = x-1, but im not sure

Any ideas

Thanx heaps