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If a-b=4, ab=-5, Then find the value of (a^3+b^3). |
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Answer» Answer: Step-by-step EXPLANATION: a-b = 4 a= 4+b ab = 5 4+b×b = 5 4+b^2 = 5 b^2 = 1 b = 1 a = 4+1 = 5 a^3 + b^3 = 64 + 1 = 65 |
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