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Byju's Answer
Standard XII
Mathematics
Complex Numbers
If x,y,z sa...
Question
If
x
,
y
,
z
satisfies the equations
x
+
log
(
x
+
√
x
2
+
1
)
=
y
y
+
log
(
y
+
√
y
2
+
1
)
=
z
z
+
log
(
z
+
√
z
2
+
1
)
=
x
,
then find the value of
(
1
−
x
)
2
+
(
1
−
y
)
2
+
(
1
−
z
)
2
.
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Solution
If x , y , z satisfies the equations:
x
+
log
(
x
+
√
x
2
+
1
)
=
y
y
+
log
(
y
+
√
y
2
+
1
)
=
z
z
+
log
(
z
+
√
z
2
+
1
)
=
x
The equations are in cyclic form hence x = 0 , y = 0 , z = 0 ratifies equation and x = y = z satisfies these equations.
putting values of x , y , z in equation given:
(
1
−
x
)
2
+
(
1
−
y
)
2
+
(
1
−
z
)
2
=
(
1
−
0
)
2
+
(
1
−
0
)
2
+
(
1
−
0
)
2
=
1
+
1
+
1
=
3
Ans = 3
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