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HOw to solve question no. 18 please tell all the concept you have used in this
HOw to solve question no. 18 please tell all the concept you have used in this

```
4 years ago

Vikas TU
14146 Points
```							Range of f(x) = 4|x|^3 – 3xi dont there is any mod or not since it isnot clearly visible bu i am soolving for mod here,when x > 0 y = 4x^3 – 3xwhen xy = -4x^3 – 3xPlot both the grapdhs for given interval and then find the Range simply.
```
4 years ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions