2x/3+3y/2=5,xy=6,then find 4x square/9+9y/4=?
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Answer:
13.....but please correct your question...it should be 9y^2
Step-by-step explanation:
2x/3 + 3y/2= 5 4x^2/9 + 9y^2/4
(4x+9y)/ 6 = 5 = 16x^2 + 81 y^2 /36
4x+9y= 30 = 468/36
(4x +9y)^2 = 900 = 13
16x^2 + 72xy + 81y^2= 900
16x^2 + 81y^2 = 900-72*6
= 900- 432
= 468
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