InterviewSolution
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InterviewSolution
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Let f(n,θ)=2n+1(1+n2|cosθ|)(1+(n+1)2|cosθ|), where n∈N and θ∈R. If the minimum value of 10∑n=1f(n,θ) is pq, where p,q are co-prime, then the value of (p+q) is |
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Answer» Let f(n,θ)=2n+1(1+n2|cosθ|)(1+(n+1)2|cosθ|), where n∈N and θ∈R. If the minimum value of 10∑n=1f(n,θ) is pq, where p,q are co-prime, then the value of (p+q) is |
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