Solve
Guides
Join / Login
Use app
Login
0
You visited us
0
times! Enjoying our articles?
Unlock Full Access!
Standard XII
Mathematics
Question
If
2
a
−
1
2
a
=
3
, then
16
a
4
+
1
16
a
4
is equal to:
1
119
117
121
A
1
B
121
C
119
D
117
Open in App
Solution
Verified by Toppr
As given
⇒
2
a
−
1
2
a
=
3
⇒
(
2
a
−
1
2
a
)
2
=
(
3
)
2
⇒
4
a
2
+
1
4
a
2
−
2
=
9
⇒
4
a
2
+
1
4
a
2
=
11
⇒
(
4
a
2
+
1
4
a
2
)
2
=
(
11
)
2
⇒
16
a
4
+
1
16
a
4
+
2
=
121
⇒
16
a
4
+
1
16
a
4
=
121
−
2
⇒
16
a
4
+
1
16
a
4
=
119
Was this answer helpful?
0
Similar Questions
Q1
If
2
a
−
1
2
a
=
3
, then
16
a
4
+
1
16
a
4
is equal to:
View Solution
Q2
If
2
a
+
1
2
a
=
3
, then
16
a
4
+
1
16
a
4
=
?
View Solution
Q3
If
2
a
+
1
2
a
=
8
, then find
16
a
4
+
1
16
a
4
.
View Solution
Q4
If
2
a
+
1
2
a
=
8
, find :
(i)
4
a
2
+
1
4
a
2
(ii)
16
a
4
+
1
16
a
4
View Solution
Q5
Evaluate:
(
2
a
−
b
)
(
2
a
+
b
)
(
4
a
2
+
b
2
)
is
16
a
4
−
b
4
.
If true, then enter
1
and if false, then enter
0
.
View Solution