Solve the following pair of equations by cross - multiplication method.
2ax + 3by = a + 2b
3ax + 2by = 2a + b
2ax + 3by = a + 2b
3ax + 2by = 2a + b
Given, pair of equations is
2ax + 3by = a + 2b ⇒ 2ax + 3by –(a + 2b) = 0
3ax + 2by = 2a + b ⇒ 3ax + 2by –(2a + b) = 0
By cross - multiplication method, we have
On taking I and III ratio, we get
On taking II and III ratio, we get
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