R-r=9/2
R+r=1/2 equation
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R-r=9/2. [×2]
R+r=1/2. [×2]
R-r=9. →(1) And. R+r=1→(2)
( Elimination method)
R-r=9
R+r=1
2R=10→R=10/2→5
Put R =5 in (2) we get
R+r=1
5+r=1
r=1-5= -4
Therefore. R=5 and r= -4
R+r=1/2. [×2]
R-r=9. →(1) And. R+r=1→(2)
( Elimination method)
R-r=9
R+r=1
2R=10→R=10/2→5
Put R =5 in (2) we get
R+r=1
5+r=1
r=1-5= -4
Therefore. R=5 and r= -4
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