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Let a,b∈N with 2≤a≤2020 and 2≤b≤2020. P,Q,R are three sets defined as P={(a,b):logab+6logba=5} Q={(a,b):b=a2} R={(a,b):b=a3}. Then which of the following is (are) correct? |
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Answer» Let a,b∈N with 2≤a≤2020 and 2≤b≤2020. |
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