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For all positive values of p, q, r and s...

For all positive values of p, q, r and s
`((p^(2)+p+1)(q^(2)+q+1)(r^(2)+r+1)(s^(2)+s+1))/(pqrs)`
cannot be less than

A

81

B

101

C

91

D

111

Text Solution

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The correct Answer is:
A
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