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Question 3 - Algebra Practice | Prasnya
Q3
00:00
26 Nov 2017
Q3.
If
x
+
1
=
x
2
x + 1 = x^2
x
+
1
=
x
2
and
x
>
0
x > 0
x
>
0
, then
2
x
4
2x^4
2
x
4
is
A
6
+
4
5
6 + 4\sqrt5
6
+
4
5
B
3
+
5
5
3 + 5\sqrt5
3
+
5
5
C
5
+
3
5
5 + 3\sqrt5
5
+
3
5
D
7
+
3
5
7 + 3\sqrt5
7
+
3
5
Save
Check
Details
Q3
00:00
26 Nov 2017
Q3.
If
x
+
1
=
x
2
x + 1 = x^2
x
+
1
=
x
2
and
x
>
0
x > 0
x
>
0
, then
2
x
4
2x^4
2
x
4
is
A
6
+
4
5
6 + 4\sqrt5
6
+
4
5
B
3
+
5
5
3 + 5\sqrt5
3
+
5
5
C
5
+
3
5
5 + 3\sqrt5
5
+
3
5
D
7
+
3
5
7 + 3\sqrt5
7
+
3
5
Save
Check
Details
