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Find the value underset(n rarr oo)("li...

Find the value
`underset(n rarr oo)("lim") underset(k =2)overset(n)sum cos^(-1) ((1 + sqrt((k -1) k(k + 1) (k + 2)))/(k(k + 1)))`

Text Solution

Verified by Experts

The correct Answer is:
`pi/6`
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