1
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Change Language
If 2 log(x + 1) $$ - $$ log(x2 $$ - $$ 1) = log 2, then x =
A
only 3
B
$$ - $$1 and 3
C
only $$ - $$1
D
1 and 3
2
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.25
Change Language
If $$\log _2^6 + {1 \over {2x}} = {\log _2}\left( {{2^{{1 \over x}}} + 8} \right)$$, then the value of x are
A
$${1 \over 4},{1 \over 3}$$
B
$${1 \over 4},{1 \over 2}$$
C
$$-$$$${1 \over 4},{1 \over 2}$$
D
$${1 \over 3}, - {1 \over 2}$$
3
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
Change Language
If $$x + {\log _{10}}(1 + {2^x}) = x{\log _{10}}5 + {\log _{10}}6$$, then the value of x is
A
$${1 \over 2}$$
B
$${1 \over 3}$$
C
1
D
2
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
If $$({\log _5}x)({\log _x}3x)({\log _{3x}}y) = {\log _x}{x^3}$$, then y equals
A
125
B
25
C
5/3
D
243
WB JEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12