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If a,b,c, d are four consecutive terms o...

If a,b,c, d are four consecutive terms of an increasing A.P then the roots of the equation `(x-a)(x-c) +2(x-b) (x-d)=0` are

A

non-real complex

B

real and equal

C

integers

D

real and distinct

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The correct Answer is:
D
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