Q.

If a,b,c are in geometric progression then the value of a−bb−cis

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a

ab

b

ac

c

cb

d

ba

answer is A.

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Detailed Solution

a,b,c are in G.P ⇒b=ar,c=bra−bb−c=a−bar−br=a−br(a−b)=1r But r=ba=cba−bb−c=ab or bc
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If a,b,c are in geometric progression then the value of a−bb−cis