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Let f(x)=eax+ebx, where a≠b and f′′(x)−2f′(x)−15f(x)=0 for all x∈R. Then the product ab is equal to |
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Answer» Let f(x)=eax+ebx, where a≠b and f′′(x)−2f′(x)−15f(x)=0 for all x∈R. Then the product ab is equal to |
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