solve qustion no. 13
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x + y / x + y +z = y +z / x+y+z
x+y = y +z
x = z................1
similarily,
x = y...........2
z = y.........3
from 1 2 and 3
x = y = z
now.substuting x and y by z in x + z/ x+ y+ z
x +x / x +x + x
2x / 3x
2 / 3 ANS
x+y = y +z
x = z................1
similarily,
x = y...........2
z = y.........3
from 1 2 and 3
x = y = z
now.substuting x and y by z in x + z/ x+ y+ z
x +x / x +x + x
2x / 3x
2 / 3 ANS
Anonymous:
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