Solve
Guides
Join / Login
Use app
Login
0
You visited us
0
times! Enjoying our articles?
Unlock Full Access!
Standard IX
Mathematics
Question
If
x
=
√
7
−
√
5
,
y
=
√
5
−
√
3
,
z
=
√
3
−
√
7
, then find the value of
x
3
+
y
3
+
z
3
−
2
x
y
z
Open in App
Solution
Verified by Toppr
Was this answer helpful?
8
Similar Questions
Q1
If
x
=
√
7
−
√
5
,
y
=
√
5
−
√
3
,
z
=
√
3
−
√
7
, then find the value of
x
3
+
y
3
+
z
3
−
2
x
y
z
View Solution
Q2
Find the value of
x
3
+
y
3
+
z
3
−
2
x
y
z
, if
x
=
√
7
−
√
5
,
y
=
√
5
−
√
3
,
z
=
√
3
−
√
7
View Solution
Q3
If
x
2
=
1
√
7
+
√
5
,
y
2
=
1
√
5
+
√
3
,
−
z
4
=
1
√
3
+
√
7
,
then the value of
x
3
+
y
3
+
z
3
−
2
x
y
z
is
View Solution
Q4
If x + y + z = 5 and xy + yz + zx = 7, then x
3
+ y
3
+ z
3
– 3xyz = _________.
View Solution
Q5
If
x
+
y
+
z
=
0
,
then find the value of
x
3
+
y
3
+
z
3
.
View Solution
