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[" 39.Let "a(1),a(2),...,a(30)" be an A....

[" 39.Let "a_(1),a_(2),...,a_(30)" be an A.P."S=sum_(i=1)^(30)a_(i)" and "T=sum_(i=1)^(15)a_((2i-1))],[" If "a_(5)=27" and "S-2T=75," then "a_(10)" is equal to "]

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Let a_(1), a_(2),....a_(3) be an AP, S = sum_(i = 1)^(30) a_(i) and T = sum_(i=1)^(15) a_((2i-1)) . If a_(5) = 27 and S -2T = 75 , then a_(10) is equal to

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Let a_(1),a_(2),a_(3),"......"a_(10) are in GP with a_(51)=25 and sum_(i=1)^(101)a_(i)=125 " than the value of " sum_(i=1)^(101)((1)/(a_(i))) equals.

Let a_(1),a_(2),a_(3),"......"a_(10) are in GP with a_(51)=25 and sum_(i=1)^(101)a_(i)=125 " than the value of " sum_(i=1)^(101)((1)/(a_(i))) equals.

Let a_(1),a_(2),a_(3),"......"a_(10) are in GP with a_(51)=25 and sum_(i=1)^(101)a_(i)=125 " than the value of " sum_(i=1)^(101)((1)/(a_(i))) equals.

Let a_(1),a_(2),a_(3),"......"a_(10) are in GP with a_(51)=25 and sum_(i=1)^(101)a_(i)=125 " than the value of " sum_(i=1)^(101)((1)/(a_(i))) equals.