If (x+y)=3(x-y)then find the value of 3xy÷2(x2-y2)
If (x+y)=3(x-y)
then find the value of 3xy÷2(x2-y2)
Md Zuhair , 11 Years ago
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8 grade maths> If (x+y)=3(x-y) then find the value of 3x...
3 AnswersRavi
Let x-y=u
x+y=v
So, u=3v...(I)
Also, (x2-y2)=ab
xy=(v2-u2)/4...(II)
Use i and II in the given expression to get the value of the expression.
.....................................................................................................................................
x+y=v
So, u=3v...(I)
Also, (x2-y2)=ab
xy=(v2-u2)/4...(II)
Use i and II in the given expression to get the value of the expression.
.....................................................................................................................................
Ravi
Let x-y=u
x+y=v
So, u=3v...(I)
Also, (x2-y2)=ab
xy=(v2-u2)/4...(II)
Use i and II in the given expression to get the value of the expression.
.....................................................................................................................................
x+y=v
So, u=3v...(I)
Also, (x2-y2)=ab
xy=(v2-u2)/4...(II)
Use i and II in the given expression to get the value of the expression.
.....................................................................................................................................
Ravi
Let x-y=u
x+y=v
So, u=3v...(I)
Also, (x2-y2)=ab
xy=(v2-u2)/4...(II)
Use i and II in the given expression to get the value of the expression.
.....................................................................................................................................
x+y=v
So, u=3v...(I)
Also, (x2-y2)=ab
xy=(v2-u2)/4...(II)
Use i and II in the given expression to get the value of the expression.
.....................................................................................................................................
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