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Insert 6 harmonic means between 3 and (...

Insert 6 harmonic means between 3 and `(6)/(23)`

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To insert 6 harmonic means between 3 and \( \frac{6}{23} \), we can follow these steps: ### Step 1: Understand the relationship between Harmonic Means and Arithmetic Progression Harmonic means (H) between two numbers can be found by taking the reciprocals of those numbers and forming an arithmetic progression (AP) with them. If we denote the harmonic means as \( H_1, H_2, H_3, H_4, H_5, H_6 \), we can express this as: \[ 3, H_1, H_2, H_3, H_4, H_5, H_6, \frac{6}{23} \] ### Step 2: Convert to their reciprocals The reciprocals will be: ...
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ARIHANT MATHS-SEQUENCES AND SERIES-Exercise (Questions Asked In Previous 13 Years Exam)
  1. Insert 6 harmonic means between 3 and (6)/(23)

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  2. Let a, b, c be in A.P. and |a|lt1,|b|lt1|c|lt1. If x=1+a+a^(2)+ . . . ...

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  3. If an=3/4-(3/4)^2+(3/4)^3+...(-1)^(n-1)(3/4)^n and bn=1-an, then find ...

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  4. If a1, a2, a3, be terms of an A.P. if (a1+a2++ap)/(a1+a2++aq)=(p^2)/(...

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  5. If a1, a2, a3,.....an are in H.P. and a1 a2+a2 a3+a3 a4+.......a(n-1...

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  6. Let Vr denote the sum of the first r terms of an arithmetic progressio...

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  7. Let Vr denote the sum of the first r terms of an arithmetic progressio...

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  8. Let Vr denote the sum of the first r terms of an arithmetic progressio...

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  9. Let A1 , G1, H1denote the arithmetic, geometric and harmonic means re...

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  10. Let A1 , G1, H1denote the arithmetic, geometric and harmonic means re...

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  11. Let A1 , G1, H1denote the arithmetic, geometric and harmonic means re...

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  12. in a geometric progression consisting of positive terms, each term eq...

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  13. Suppose four distinct positive numbers a(1),a(2),a(3),a(4) are in G.P....

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  14. The first two terms of a geometric progression add up to 12. The su...

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  15. If the sum of first n terms of an AP is cn^(2), then the sum of square...

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  16. 1+2/3+6/(3^2)+10/(3^3)+14/(3^4)+...oo=

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  17. Let Sk ,k=1,2, ,100 , denotes thesum of the infinite geometric series ...

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  18. Le a1, a2, a3, ,a(11) be real numbers satisfying a2=15 , 27-2a2>0a n ...

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  19. A person is to cout 4500 currency notes. Let a(n) denotes the number o...

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  20. The minimum value of the sum of real numbers a^(-5),a^(-4),3a^(-3),1,a...

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  21. A man saves Rs. 200 in each of the first three months of his service. ...

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