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The equation 7xx^(2)-(7pi+22)xx+22pi=0ha...

The equation `7xx^(2)-(7pi+22)xx+22pi=0has` (A) equal roots (B) a root which is negative (C) rational roots only (D) a rational root and an irrational root.

A

equal roots

B

a root which is negative

C

rational roots only

D

a rational root and an irrational root.

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