show that x+y:x-y=3:2
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x + y : x - y = 3 : 2, proved.
Step-by-step explanation:
We have,
x + y : x - y = 3 : 2
To prove that, x + y : x - y = 3 : 2.
x + y = 3 ....(1)
And,
x - y = 2 ....(2)
Adding (1) and (2), we get
x + y + x - y = 3 + 2
⇒ 2x = 5
⇒ x =
Put x = in (1), we get
+ y = 3
⇒ y = 3 - =
∴ x + y : x - y =
= 3 : 2
Hence, x + y : x - y = 3 : 2, proved.
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