Prasnya
Prasnya
Prasnya
Continue with Google
Question 113 - Algebra Practice | Prasnya
Q113
00:00
24 Nov 2019
Q113.
DIRECTIONS for the question: Solve the following question and mark the best possible option. The real root of the equation
2
6
x
+
2
3
x
+
2
−
21
=
0
2^{6x} + 2^{3x+2} - 21 = 0
2
6
x
+
2
3
x
+
2
−
21
=
0
is
A
log
2
7
3
\dfrac{\log_2 7}{3}
3
lo
g
2
7
B
log
2
27
\log_2 27
lo
g
2
27
C
log
2
3
3
\dfrac{\log_2 3}{3}
3
lo
g
2
3
D
log
2
9
\log_2 9
lo
g
2
9
Save
Check
Details
Q113
00:00
24 Nov 2019
Q113.
DIRECTIONS for the question: Solve the following question and mark the best possible option. The real root of the equation
2
6
x
+
2
3
x
+
2
−
21
=
0
2^{6x} + 2^{3x+2} - 21 = 0
2
6
x
+
2
3
x
+
2
−
21
=
0
is
A
log
2
7
3
\dfrac{\log_2 7}{3}
3
lo
g
2
7
B
log
2
27
\log_2 27
lo
g
2
27
C
log
2
3
3
\dfrac{\log_2 3}{3}
3
lo
g
2
3
D
log
2
9
\log_2 9
lo
g
2
9
Save
Check
Details
