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`        a^3-b^3=56 and ab=8 then what is the value of a-b.                                ?`
2 years ago

Arun
23381 Points
```							Dear Amar We have to find (a-b)Now(a-b)³ = a³ -b³ -3ab(a-b)(a-b)³ = 56 -24 (a-b)It is like x³ +24x -56 = 0x = 2 it is trueHencea -b = 2 RegardsArun (askIITians forum expert)
```
2 years ago
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• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions