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junior college 1 | H1 Maths
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Sakeena Khadeeja
Sakeena Khadeeja

junior college 1 chevron_right H1 Maths chevron_right Singapore

Please help me solve this integration

Date Posted: 4 years ago
Views: 477
Eric Nicholas K
Eric Nicholas K
4 years ago
You can rewrite this as the integral of [(1 / x^2) times e^(1/x)].

Note that when we differentiate e^(1/x), we get e^(1/x) multiplied by (-1/x^2) via the chain rule.

In short, the denominator x^2 in the original expression is like the chain of the differential of the numerator e^(1/x).

So, the function integrates to - e^(1/x) + c.

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Lim Ding Xiang
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