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Yagyam Aggarwal
Subject: Maths
, asked on 4/4/18
Pls solve 6th part
Q.1. Evaluate the following determinants.
(vi)
1
a
b
1
a
+
1
b
1
b
c
1
b
+
1
c
1
c
a
1
c
+
1
a
Answer
1
Tks Arunachalam
Subject: Maths
, asked on 2/4/18
Ques 99
Answer
1
Gitika
Subject: Maths
, asked on 1/4/18
q no 36
Answer
1
Gitika
Subject: Maths
, asked on 30/3/18
q no 48,49,52,53
Answer
1
Yagyam Aggarwal
Subject: Maths
, asked on 29/3/18
Evaluate the determinant in Question 5
Q. (v)
1
b
c
b
c
b
+
c
1
c
a
c
a
c
+
a
1
a
b
a
b
a
+
b
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
Q6
Answer
1
Nithyashrri Saravanan
Subject: Maths
, asked on 20/3/18
Pls explain.q 13 in detail. It is this years sqp. But im not able to.understand clearly the solution
13. if
∆
=
1
a
a
2
a
a
2
1
a
2
1
a
=
-
4
T
h
e
n
f
i
n
d
t
h
e
v
a
l
u
e
o
f
a
3
-
1
0
a
-
a
4
0
a
-
a
4
a
3
-
1
a
-
a
4
a
3
-
1
0
Answer
1
Arvind Singh
Subject: Maths
, asked on 20/3/18
Prove that :
13
+
3
2
5
5
15
+
26
5
10
3
+
65
15
5
=
5
3
5
-
6
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 20/3/18
Q
.
I
f
A
=
1
-
1
1
2
-
1
0
1
0
0
;
f
i
n
d
A
2
a
n
d
s
h
o
w
t
h
a
t
A
2
=
A
-
1
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 20/3/18
Q13
Answer
1
Varnika Dhiman
Subject: Maths
, asked on 20/3/18
Why is it just |A|, and not |A|^3 ?!.. Shouldn't it be |A|^3 as we've taken common from all the three rows (or columns) ?!..
Answer
2
Shubhrajyoti Ghosh
Subject: Maths
, asked on 19/3/18
Q. Solve by Cramer's rule:
2x+y+z=1, x-y+2z=1, 3x+2y-z=4
Answer
2
Shubhrajyoti Ghosh
Subject: Maths
, asked on 19/3/18
No links please
Q. (ii) Solve :
log
d
y
d
x
=
3
x
-
5
y
.
2.c.(ii) Ans :
3
e
5
y
-
5
e
3
x
=
e
Answer
5
Shubhrajyoti Ghosh
Subject: Maths
, asked on 19/3/18
No links please:
(i) If =
x
+
y
+
z
,
2
+
x
y
+
z
=
9
5
7
then find the value of x,y,z.
Answer
4
Shubhrajyoti Ghosh
Subject: Maths
, asked on 19/3/18
Q. Prove that :
-
b
c
b
2
+
b
c
c
2
+
b
c
a
2
+
a
c
-
a
c
c
2
+
a
c
a
2
+
a
b
b
2
+
a
b
-
a
b
=
a
b
+
b
c
+
c
a
3
Answer
1
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What are you looking for?
Q.1. Evaluate the following determinants.
(vi)
q no 36
q no 48,49,52,53
Q. (v)
13. if
2x+y+z=1, x-y+2z=1, 3x+2y-z=4
Q. (ii) Solve : .
2.c.(ii) Ans :
(i) If = then find the value of x,y,z.
Q. Prove that :