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[" Let "S(n)" denote the sum of the firs...

[" Let "S_(n)" denote the sum of the first n terms of an A.P.If "S_(4)=16" and "S_(6)=-48," then "S_(10)" is equal to "],[O=260],[O=410],[" ( "-220],[" O "-380]

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Let S_(n) denote the sum of the first n terms of an AP. If S_(4) = 16 and S_(6) = -48 , then S_(10) is equal to

Let S_(n) denote the sum of the first n terms of an AP. If S_(4) = 16 and S_(6) = -48 , then S_(10) is equal to

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Let S_(n) denote the sum of the first n terms of an A.P. If S_(2n) = 3S_(n) , then S_(3n) : S_(n) is equal to :

S_(n) denote the sum of the first n terms of an A.P. If S_(2n)=3S_(n) , then S_(3n):S_(n) is equal to

Let S_(n) denote the sum of first n terms of an A.P.If S_(2n)=3S_(n), then find the ratio S_(3n)/S_(n)

Let S_(n) denote the sum of first n terms of an A.P. If S_(2n) = 3S_(n) , then the ratio ( S_(3n))/( S_(n)) is equal to :

Let S_(n) denotes the sum of the first of n terms of A.P.and S_(2n)=3S_(n). then the ratio S_(3n):S_(n) is equal to