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If n>3 and a,bϵR, then the value of ab−n(a−1)(b−1)+n(n−1)1.2(a−2)(b−2)−......+(−1)n(a−n)(b−n) is equal to |
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Answer» If n>3 and a,bϵR, then the value of ab−n(a−1)(b−1)+n(n−1)1.2(a−2)(b−2)−......+(−1)n(a−n)(b−n) is equal to |
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