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Let a,b,c be positive integers such that ba is an integer. If a,b,c are in geometric progression and the arithmetic mean of a,b,c is b+2, then the value of a2+a−14a+1 is

Answer» Let a,b,c be positive integers such that ba is an integer. If a,b,c are in geometric progression and the arithmetic mean of a,b,c is b+2, then the value of a2+a14a+1 is


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