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Let f(x)=x∫0{(a−1)(t2+t+1)2−(a+1)(t4+t2+1)}dt. Then the set of values of ′a′ for which f′(x)=0 has two distinct real roots is: |
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Answer» Let f(x)=x∫0{(a−1)(t2+t+1)2−(a+1)(t4+t2+1)}dt. Then the set of values of ′a′ for which f′(x)=0 has two distinct real roots is: |
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