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junior college 1 | H2 Maths
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Chua Xiang Ning
Chua Xiang Ning

junior college 1 chevron_right H2 Maths

Pls help me with finding the range of values of x. The answer is x>2/3 or x<-2/3. But i am unable to figure out why. Thanks

Date Posted: 6 years ago
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Tham KY
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For your reference...
Should have different ranges for ascending and descending order of x, as the expansion must be converging when higher/lower order of x can be neglected and the expansion is valid...