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________ is the mean proportional between 12x2 and 27y2.
- a)18xy
- b)81xy
- c)8xy
- d)19.5xy
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
________ is the mean proportional between 12x2 and 27y2.a)18xyb)81xyc)...
Finding the Mean Proportional
To find the mean proportional between two numbers, we need to find the square root of their product. In this case, we need to find the mean proportional between 12x^2 and 27y^2.
Solution
- The product of 12x^2 and 27y^2 is (12x^2)(27y^2) = 324x^2y^2.
- The mean proportional between 12x^2 and 27y^2 is the square root of 324x^2y^2, which is 18xy.
Therefore, the correct answer is option A, 18xy.
To find the mean proportional between two numbers, we need to find the square root of their product. In this case, we need to find the mean proportional between 12x^2 and 27y^2.
Solution
- The product of 12x^2 and 27y^2 is (12x^2)(27y^2) = 324x^2y^2.
- The mean proportional between 12x^2 and 27y^2 is the square root of 324x^2y^2, which is 18xy.
Therefore, the correct answer is option A, 18xy.
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Community Answer
________ is the mean proportional between 12x2 and 27y2.a)18xyb)81xyc)...
Firstly multiply 12x square and 27 ysquare.. we get 324 xsquare ysquare..now root of 324 xsqy sq is 18 xy
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________ is the mean proportional between 12x2 and 27y2.a)18xyb)81xyc)8xyd)19.5xyCorrect answer is option 'A'. Can you explain this answer?
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