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

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

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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