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`        If we solveX2 =1 then we put X=+or- 1Then if we solve x8=1,Will there also be plus or minus?Or only plus?Why?`
one year ago

1808 Points
```							If x belongs to real, then yes you are right in saying that there will be BOTH plus as well as minus. Because we can write x^8=1^8 as well as x^8= (-1)^8. Hence both are correct
```
one year ago
Arun
23379 Points
```							Dear Jeet in x8 = 1 x will be ± 1. but if there is odd power then only one sign is used. RegardsArun
```
one year 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