8. (a) If the sum of an infinite GP...
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8. (a) If the sum of an infinite GP be 3 and the sum of the squares of its term is also 3, then find its first term and common ratio

JEE/Engineering Exams
Maths
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( frac{cos ^{2} 1-x^{2}}{1-gamma^{2}} ) ( frac{a}{15}=1+gamma ) ( frac{1+gamma}{1-gamma}=3 ) ( 1+gamma=3-3 gamma ) ( 4 gamma=2 ) ( gamma=1 / 2 ) ( a=3 / 2 )
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