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Let `alpha,beta` be roots of the equations `x^(2)-2x+A=0` and `gamma,delta` be the roots of the equation `x^(2)-18x+B=0` If `alpha,beta,gamma` and `delta(alphaltbetaltgammalt delta)` are in arithmetic progression, then find the values of A and B.

A

`A=-2,B=77`

B

`A=-3,B=77`

C

`A=77,B=-3`

D

none of these

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The correct Answer is:
B
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