Answer
Step by step text solution for The harmonic mean of two numbers is 4. Their arithmetic mean A and the geometric mean G satisfy the relation 2A+G^2=27 . Find the numbers by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.
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WB JEE PREVIOUS YEAR PAPER-MATHEMATICS (2011)-DESCRIPTIVE TYPE QUESTIONS
- The harmonic mean of two numbers is 4. Their arithmetic mean A and the...
05:20
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- If the area of a rectangle is 64 sq. unit, find the minimum value poss...
04:06
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- Find the image of the point (-8, 12) with respect to the line 4x + 7y+...
07:43
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- How many triangles can be formed by joining 6 points lying on a circle...
02:33
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- If r^2 = x^2 + y^2 + z^2 , then prove that tan^(-1)((yz)/(rx))+tan^(-1...
06:26
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- Determine the sum of imaginary roots of the equation (2x^2+x-1) (4x...
05:08
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- If cos A+ cos B + cos C=0 , prove that cos 3A + cos 3B + cos 3C = 1...
03:45
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- Let RR be the set of real numbers and f: RR rarr RR be such that for a...
05:50
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- Find the general solution of (x+log y)dy + y dx =0
04:29
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- Prove that I =int(0)^(pi//2)(sqrt(secx))/(sqrt("cosec"x)+sqrt(secx))dx...
04:36
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