Questions
A G.P consisting of terms with positive terms. If each term is equal to the sum of the next two terms, then the common ratio of G.P is
detailed solution
Correct option is A
Given that in a geometric progression, each term is equal to the sum of the next two terms it implies that an=an+1+an+2 arn-1=arn+arn+1 cancel out the common factors we get r2+r-1=0 Solving the quadratic equation we get r=-1±52 Since all the terms are positive take positive common ratio therefore, r= 5-12Similar Questions
If the roots of the equation,
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