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Rahul Bhujel

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Sequence and Series

If x^2, b^2, y^2 are in AP, a, x, b and b, y, c both are in GP, prove that a, b, c are in AP.

If a, b, c be in AP, b, c, d be in GP and c, d, e be in HP, prove that a, c, e are in GP.

If GM and HM between two positive numbers a and b are such that GM=5/4 HM, prove that a:b=4:1.

Class Eleven

3 Questions • 1 Notes
- Maths
  
  3 Questions • 1 Notes
  - Sequence and series
  - Derivatives and its application
Class Ten

10 Questions • 0 Notes
- Maths
  
  10 Questions • 0 Notes

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