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Grade: 10
        If 2x+ 1/3x.  =8Find 9x²+1/4x².................,..........,
7 months ago

Answers : (1)

subrat
61 Points
							Ans must be 141. Let 2x=a and 1/3x=b. In the given eqn divide both sides by (ab). In doing so on LHS you will get 1/a+1/b=8/(ab).On further simplication, 3x+1/2x=12. Now square both sides. We get, (9x^2)+(1/4x^2)+3=144    =>Ans is 141
						
7 months ago
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