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Geometric Progression - Harmonic Progression - 2
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Harmonic progression - 2

Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
Engineer by degree Mathematician by Heart. Having 22 years of teaching experience. Visit my youtube channel BHARAT GUPTA-RADIX .

U
Unacademy user
awesome course helped me alot waiting for your next vocab course sir
PD
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thanku sir. u teach superb. is this course complete now or more videos to be added?
Bharat Gupta
a year ago
more video are remaining
Manisha Marwaha
a year ago
ok sir .hope u add soon. aapke padhne ke tareeke ke karan ab maths se dar nhi lgta. u made it easy.
Bharat Gupta
a year ago
👍
Bharat Sir, please complete this course at earliest.
Bhavya Jain
a year ago
We need more questions based on different summation of series.
Bharat Gupta
a year ago
yes I am working
Bhavya Jain
a year ago
Sir, reminder for sequence n series. This is a great course. Please complete as soon as you find time. Thanks :)
  1. SEQUENCE AND SERIES Class -13 (Ttarmonic Proqression)


  2. If a, b, c are in HP, then the value of }. + 1) { + 1-1 - 3 2 b2 alb 2 1 b. a2+ b2 + c2 c. d. both a and c If the sum of the reciprocals of the first seven terms of a harmonic progression is 70, find the 4th term of the HP If a, b, c are in . . b, c, d are in G.P and c, d, e are in HP, then which of the following is true. a. 2c a + e c. c (a + e) 2ae d. ab de If A.M. and G.M. of two numbers is 10 and 8 respectively, then find their H.M. a. 9.2 b. 12 c. 6.2 d. 6.4


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  4. If A.M. and G.M. of two numbers is 10 and 8 respectively, then find their H.M. a. 9.2 b. 12 c. 6.2 d. 6.4


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  6. If A.M. and G.M. of two numbers is 10 and 8 respectively, then find their H.M. a. 9.2 b. 12 c. 6.2 d. 6.4 2 . 2.


  7. If the sum of the reciprocals of the first seven terms of a harmonic progression is 70, find the 4th term of the HP C.


  8. If the sum of the reciprocals of the first seven terms of a harmonic progression is 70, find the 4th term of the HP an 2 lo


  9. If a, b, c are in AP. b, c, d are in G.P and c, d, e are in . ., then which of the following is true. c. c (a e) 2ae d. ab de


  10. If a, b, c are in AP. b, c, d are in G.P and c, d, e are in . ., then which of the following is true. a.2c = a + e b. ae = c2 C. C (a + e) = 2ae d, ab = de we Rove to pe, ,C,d,e in buch a o 0 LA . a ce _ 2


  11. c-ae + a-b} If a, b, c are in . ., then the value of I& + 2 h2 alb b. a2 + b2 + c2 C.bc b2 d. both a and c


  12. If a, b, c are in . ., then the value of G + 1-ae + 1-1 2 '2 ah b. a2 + b2 + c2 C.bc b2 d. both a and c = Cat 2-1 ) (3 -a) b ab beb