An algebra problem by A Former Brilliant Member

Algebra Level 4

11⋅2⋅3⋅4+12⋅3⋅4⋅5+13⋅4⋅5⋅6+⋯ till 50 terms= ?\dfrac{1}{1\cdot2\cdot3\cdot4}+\dfrac{1}{2\cdot3\cdot4\cdot5}+\dfrac{1}{3\cdot4\cdot5\cdot6}+\cdots\text{ till 50 terms} = \, ?

Give your answer upto 4 decimal places.

A Former Brilliant Member by A Former Brilliant Member
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