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Find the geometric mean between : 14 a...

Find the geometric mean between :
14 and `(7)/(32)`

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To find the geometric mean between the numbers 14 and \( \frac{7}{32} \), we can follow these steps: ### Step 1: Identify the two numbers Let \( A = 14 \) and \( B = \frac{7}{32} \). ### Step 2: Use the formula for the geometric mean The formula for the geometric mean (GM) of two numbers \( A \) and \( B \) is given by: \[ GM = \sqrt{A \times B} \] ### Step 3: Calculate \( A \times B \) Now, let's calculate \( A \times B \): \[ A \times B = 14 \times \frac{7}{32} \] To perform this multiplication: \[ A \times B = \frac{14 \times 7}{32} = \frac{98}{32} \] ### Step 4: Simplify \( \frac{98}{32} \) Next, we simplify \( \frac{98}{32} \) by dividing both the numerator and the denominator by their greatest common divisor (GCD), which is 2: \[ \frac{98 \div 2}{32 \div 2} = \frac{49}{16} \] ### Step 5: Find the square root Now, we need to find the square root of \( \frac{49}{16} \): \[ GM = \sqrt{\frac{49}{16}} = \frac{\sqrt{49}}{\sqrt{16}} = \frac{7}{4} \] ### Final Answer Thus, the geometric mean between 14 and \( \frac{7}{32} \) is: \[ \frac{7}{4} \] ---
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ICSE-GEOMETRIC PROGRESSION -Exercise 11(D)
  1. How many terms of the geometric progression 1+4+16+64+ . . . . .. . . ...

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  2. If the first term of a G.P is 27 and 8th term is 1/81, then the sum of...

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  3. A boy spends Rs. 10 on first day, Rs. 20 on second day, Rs. 40 on thir...

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  4. The 4^(th) and the 7^(th) terms of a G.P. are (1)/(27) and (1)/(729) r...

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  5. A geometric progression has common ratio = 3 and last term = 486. If t...

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  6. Find the sum of G.P. : 3,6,12, . . . . . . . . ., 1536.

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  7. How many terms of the series 2+6+18+ . . . . . . . . . . . Must be tak...

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  8. In a G.P., the ratio between the sum of first three terms and that of ...

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  9. How many terms of the G.P. (2)/(9),-(1)/(3),(1)/(2), . . . . . . . ....

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  10. If the sum of 1+2+2^(2)+ . . . . . . . . . .+2^(n-1) is 255, find the ...

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  11. Find the geometric mean between : (4)/(9) and (9)/(4)

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  12. Find the geometric mean between : 14 and (7)/(32)

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  13. Find the geometric mean between : 2a and 8a^(3)

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  14. The sum of three numbers in G.P. is (39)/(10) and their product is 1. ...

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  15. The first term of a G.P. is -3 and the square of the second term is eq...

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  16. Find the 5^(th) term of the G.P. (5)/(2),1. . . . . . . . .

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  17. The first two terms of a G.P. are 125 and 25 respectively. Find the 5^...

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  18. Find the sum of the sequence -(1)/(3),1,-3,9, . . . . . . . Upto 8 te...

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  19. The first term of a G.P. in 27. If the 8^(th) term be (1)/(81), what w...

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  20. Find a G.P. for which the sum of first two terms is -4 and the fifth i...

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