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Raj Aryan
Subject: Maths
, asked on 24/5/18
Solve fast plz
Answer
2
Bhavya Jain
Subject: Maths
, asked on 23/5/18
How to do this question number 22 on Quadratic equations?:
22. If
α
,
β
and
γ
are the roots of the equation, x
3
-x-1=0, then
1
+
α
1
-
α
+
1
+
β
1
-
β
+
1
+
γ
1
-
γ
has the value.
a. 0 b. -1 c. -7 d. 1
Answer
1
Samiksha Jain
Subject: Maths
, asked on 23/5/18
que 89
Answer
0
Unnati
Subject: Maths
, asked on 23/5/18
Let * be the operation on set {1,2,3,4,5} defined by a*b = H.C.F. ( a & b ). Form composition table and state whether the operation is binary or not. Also, check for commutative & assosciative properties. Does identity element exist ? Justify.
Answer
1
Samiksha Jain
Subject: Maths
, asked on 22/5/18
que 11
11
.
Solve
the
equations
(
i
)
log
5
x
4
+
5
-
log
1
/
5
x
2
+
25
=
3
2
(
ii
)
log
5
x
4
+
5
-
log
1
/
5
x
2
+
25
=
3
Answer
1
Ekta Ray
Subject: Maths
, asked on 21/5/18
solve this with proper steps
9. If f(x) =
log
1
/
2
x
2
-
2
x
+
2
,
then domain of f(x) is
A
)
R
B
)
R
-
1
,
2
C
)
R
+
D
)
R
-
(
1
,
2
)
Answer
2
Ashish Singh
Subject: Maths
, asked on 20/5/18
3x=4x-1 then x can not be equal to
1) 2log3power2
2)2/2-log 2poewer3
3)1/1-log4power3
4)2log2power3/2log2power3-1
Answer
1
Charu
Subject: Maths
, asked on 19/5/18
Question 193
193.
Find the missing number from the options, if the same rule is applied in all the three figures.
(a) 21 (b) 25 (c) 27 (d) 29
Answer
2
Divya Mahesh
Subject: Maths
, asked on 19/5/18
Consider functions f and g such that composite gof is defined and is one-one. Are f and g both necessarily one-one ?
Answer
1
Divya Mahesh
Subject: Maths
, asked on 19/5/18
Show that if f: A to B and g: B to C are onto, then gof : A to C is also onto.
Answer
1
Divya Mahesh
Subject: Maths
, asked on 19/5/18
If f: A to B and g: B to C then gof will be from A to C or fog will be from A to C ?
Answer
1
Divya Mahesh
Subject: Maths
, asked on 19/5/18
What do we mean when we are saying (modulus of x) is x when x is positive and (modulus of x) is -x when x is negative ? Because regardless of x being positive or negative, we get modulus of x as x or in other words positive.
please explain.
Answer
1
Suroj Dey
Subject: Maths
, asked on 18/5/18
If Z is a complex number such that: (Z^2018) = i +( 2018)^2018, then find the number of 1. Complex roots, 2. Roots lying in 2nd Quadrant and in 1st Quad
Answer
1
Raj Aryan
Subject: Maths
, asked on 18/5/18
Solve this:
Answer
1
Divya Mahesh
Subject: Maths
, asked on 17/5/18
If R is a symmetric relation on set A, then write a relation between R and R^-1.
Answer
1
1
2
3
4
5
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What are you looking for?
22. If are the roots of the equation, x3-x-1=0, then has the value.
a. 0 b. -1 c. -7 d. 1
9. If f(x) = then domain of f(x) is
1) 2log3power2
2)2/2-log 2poewer3
3)1/1-log4power3
4)2log2power3/2log2power3-1
193. Find the missing number from the options, if the same rule is applied in all the three figures.
(a) 21 (b) 25 (c) 27 (d) 29
please explain.