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Ranjan Shivam
Subject: Maths
, asked on 23/5/18
​question 8
Q.8. Let P be a matrix of order 3
×
3 such that all the entries in P are from the set {- 1, 0, 1}. Then, the maximum possible value of the determinant of P is ________.
Answer
2
Sudhanshu Singh
Subject: Maths
, asked on 22/5/18
Q.65.
(EXAMPLAR)
If A isa square natrix such that
A
2
=
I
,
t
h
e
n
A
-
I
3
+
A
+
I
3
-
7
A
is equals to
(a) A
(b) I - A
(c) I + A
(d) 3 A
Answer
1
Sudhanshu Singh
Subject: Maths
, asked on 22/5/18
Q.94. If
A
T
=
3
4
-
1
2
0
1
a
n
d
B
=
-
1
2
1
1
2
3
, then find
A
T
-
B
T
Answer
2
Bhavishya Raj
Subject: Maths
, asked on 21/5/18
(
i
i
)
2
X
+
3
Y
=
2
3
4
0
a
n
d
3
X
+
2
Y
=
2
-
2
-
1
5
Answer
1
Sudhanshu Singh
Subject: Maths
, asked on 21/5/18
F
i
n
d
A
,
i
f
4
1
3
A
=
-
4
8
4
1
2
1
-
3
6
3
Answer
1
Ipsita Dash
Subject: Maths
, asked on 19/5/18
Q
.
I
f
a
n
=
a
a
a
.
.
.
.
.
.
.
.
.
.
a
⏟
n
d
i
g
i
t
s
a
n
d
6
n
8
n
0
4
2
n
=
x
y
0
z
,
t
h
e
n
A
.
x
2
+
y
=
z
B
.
x
2
+
y
=
2
z
C
.
x
2
+
y
+
z
=
0
D
.
x
2
+
y
+
2
z
=
0
Answer
2
Divyansh Saxena
Subject: Maths
, asked on 18/5/18
Question mentioned in the picture
Answer
2
Manasi Mujumdar
Subject: Maths
, asked on 15/5/18
What is the formula to find angle between two pair of lines when equation of pair of lines is given ( ax2 + 2hxy + by2 + 2gx + 2fy + c , formula for this equation pls)
Answer
1
Bhavya Jain
Subject: Maths
, asked on 15/5/18
I
n
△
A
B
C
,
i
f
1
1
1
c
o
t
A
2
c
o
t
B
2
c
o
t
C
2
tan
B
2
+
tan
C
2
tan
C
2
+
tan
A
2
tan
A
2
+
tan
B
2
=
0
,
t
h
e
n
t
h
e
t
r
i
a
n
g
l
e
m
u
s
t
b
e
a
.
e
q
u
i
l
a
t
e
r
a
l
b
.
i
s
o
s
c
e
l
e
s
c
.
o
b
t
u
s
e
d
.
N
o
n
e
o
f
t
h
e
s
e
Answer
1
Shiva
Subject: Maths
, asked on 13/5/18
Please explain how to find the
domain and range
of a complex polynomial functions. And also how to solve the
log and ln
in the polynomial functions.
Answer
1
Royel Ghost
Subject: Maths
, asked on 7/5/18
F
i
n
d
t
h
e
i
n
v
e
r
s
e
b
y
e
l
e
m
e
n
t
a
r
y
t
r
a
n
s
f
o
r
m
a
t
i
o
n
s
:
A
=
-
1
1
2
1
2
3
3
1
1
Answer
1
Nishant Kabir
Subject: Maths
, asked on 1/5/18
Answer this question
Q(a) Find the value of x in the following :
(i)
x
7
4
x
=
22
(b). If [2x 4 ] =
x
-
8
, find the positive value of x.
Answer
1
Aarishti Singh
Subject: Maths
, asked on 30/4/18
Q.4. If
A
=
cos
x
sin
x
-
sin
x
cos
x
a
n
d
A
-
1
=
A
'
, then find the value of x. (Ans all real values)
Answer
1
Anushka Dash
Subject: Maths
, asked on 30/4/18
if 4a^2 + b^2 + 2c^2+ 4ab -6ac -3bc=0 then the family of lines ax + by + c= 0 may concurrent at points:
a) -1,-1/2
b)-1,-1
c)-2,-1
d)-1,2
Answer
1
Ashrita Mishra
Subject: Maths
, asked on 30/4/18
Is there any faster method to solve such big numbers
Q.
d
e
t
18
40
89
40
89
198
89
198
440
=
1) - 8
2) - 6
3) - 1
4) 0
Answer
1
1
2
3
4
5
Next
What are you looking for?
Q.8. Let P be a matrix of order 3 3 such that all the entries in P are from the set {- 1, 0, 1}. Then, the maximum possible value of the determinant of P is ________.
(a) A
(b) I - A
(c) I + A
(d) 3 A
Q(a) Find the value of x in the following :
(i)
(b). If [2x 4 ] = , find the positive value of x.
a) -1,-1/2
b)-1,-1
c)-2,-1
d)-1,2
Q.
1) - 8
2) - 6
3) - 1
4) 0