The value of (2⋅ 1P0−3⋅ 2P1+4⋅ 3P2−⋯⋯up to 51th term)+(1 – InterviewSolution

1.	The value of (2⋅ 1P0−3⋅ 2P1+4⋅ 3P2−⋯⋯up to 51th term)+(1!−2!+3!−4!+⋯⋯up to 51th term) is equal to
Answer» The value of $(2 \cdot^{1} P_{0} - 3 \cdot^{2} P_{1} + 4 \cdot^{3} P_{2} - \dots \dots up to 51^{th} term) + (1! - 2! + 3! - 4! + \dots \dots up to 51^{th} term)$ is equal to

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