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Let A=⎡⎢⎣−3021x5−20x2⎤⎥⎦,B=⎡⎢⎣2b−1⎤⎥⎦ and C=[351]. If tr denotes the trace of a matrix, then the number of integral values of b for which tr(ABC)≤−18 for all x∈R, is |
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Answer» Let A=⎡⎢⎣−3021x5−20x2⎤⎥⎦,B=⎡⎢⎣2b−1⎤⎥⎦ and C=[351]. If tr denotes the trace of a matrix, then the number of integral values of b for which tr(ABC)≤−18 for all x∈R, is |
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