IIT-JEE 2020 IIT Advanced IITJEE Mains IIT Preparation Algebraic Inequations BTM
Автор: Brain Teasers Mathematics
Загружено: 2019-08-27
Просмотров: 62
Описание:
The following four concepts are very useful in solving the problems related to algebraic inequations.
These are four most important basic results.
Important for IIT-JEE Mains+Advance 2020.
(1) |x| less than a ⇔x greater than -a and less than +a i.e.x∈(-a,a)
(2) |x| less than equal to a ⇔x greater than equal to -a and less than equal to +a i.e.x∈[-a,a]
(3) |x| greater than a ⇔x less than -a and greater than +a i.e.x∈(-∞,-a)∪(a,∞)
(4) |x| greater than a ⇔x less than equal to -a and greater than equal to +a i.e.x∈(-∞,-a)∪(a,∞)
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