Fortune Telling Collection - Free divination - The square of 2×a-b× a = the square of 3× b, and find the algebraic expression of b about a.
The square of 2×a-b× a = the square of 3× b, and find the algebraic expression of b about a.
Solution: 2A 2- Ba = 3B 2
3b^2-ab-2a^2=0
(3b-2a)(b+a)=0
3b-2a=0orb+a=0
3b=2aorb=-a
b=2a/3orb=-a
A: B = 2A/3ORB =-A
On the rectangular coordinate plane, it is a point set consisting of two straight lines b=2a/3 passing through the origin and points on the straight line b =-a.
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