Let \( f(x)=2 x^{3}+a x^{2}+b x-3 \cos ^{2} x \) is an increasing P...

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Let \( f(x)=2 x^{3}+a x^{2}+b x-3 \cos ^{2} x \) is an increasing
P function for all \( x \in R \) such that \( m a^{2}+n b+180 \)

W then the value of \( m+n+7 \) is
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