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CBSE Class 9 Answered

2x+1/3x=5 then 4x²+1/9x²=?  
question image
Asked by ajaysavita | 01 Mar, 2020, 06:43: PM
answered-by-expert Expert Answer
2x+1/3x=5 then 4x²+1/9x²=?
 
 
2x + 1/3x = 5
(2x + 1/3x)2 = 25
4x2 + 4/3 + 1/9x2 = 25
4x2 + 1/9x2 = 25 - 4/3
 
4x2 + 1/9x2 = 71/3
Answered by Sneha shidid | 02 Mar, 2020, 10:13: AM
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