NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Prithika
Subject: Maths
, asked on 24/5/18
Ist q
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
30 th
30.
Sachin and Rahul attempted to solve a quadratic equation. Sachin made a mistake in writing down the constant term and ended up in roots (4, 3). Rahul made a mistake in writing down coefficient of x to get roots (3, 2). Find correct roots of the equation.
Answer
2
Prithika
Subject: Maths
, asked on 23/5/18
12th q
Q.12. Show that the equation
2
a
2
+
b
2
x
2
+
2
a
+
b
x
+
1
=
0
has no real roots.
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
7th q
Q.7. Find the condition that one root of the equation
a
x
2
+
b
x
+
c
=
0
may be double of the other.
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
10 th
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
6th q
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
19th question
19
.
I
f
t
h
e
r
a
t
i
o
o
f
t
h
e
r
o
o
t
s
o
f
t
h
e
e
q
u
a
t
i
o
n
a
x
2
+
b
x
+
c
=
0
i
s
r
,
t
h
e
n
p
r
o
v
e
t
h
a
t
r
+
1
2
r
=
b
2
a
c
.
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
Q.18. If the equation
a
x
2
+
b
x
+
c
=
0
a
n
d
c
x
2
+
b
x
+
a
=
0
may have a common root, then prove that a + b + c or a - b + c = 0.
Answer
2
Prithika
Subject: Maths
, asked on 23/5/18
I3 th
Q.13.
x
=
2
3
-
2
3
-
2
3
-
2
3
-
2
3
-
x
, find the possible values of x in the given equation.
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
6thq
Q.6. If the roots of
x
2
-
p
x
+
q
=
0
are two consecutive integers. Prove that
p
2
=
4
q
+
1
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
15q
Answer
1
Prithika
Subject: Maths
, asked on 23/5/18
3rd:
3. Solve for x: (x-1)(x+3)(x-2)(x-6)+36=0
Answer
2
Prithika
Subject: Maths
, asked on 23/5/18
2nd sol
Answer
0
Prithika
Subject: Maths
, asked on 23/5/18
Pl ans
Answer
0
Prithika
Subject: Maths
, asked on 18/5/18
Pl explain how f(x) is positive when d>0 and a>0
Answer
2
Prev
1
2
3
4
5
Next
What are you looking for?
30. Sachin and Rahul attempted to solve a quadratic equation. Sachin made a mistake in writing down the constant term and ended up in roots (4, 3). Rahul made a mistake in writing down coefficient of x to get roots (3, 2). Find correct roots of the equation.
Q.12. Show that the equation has no real roots.
Q.7. Find the condition that one root of the equation may be double of the other.
Q.13. , find the possible values of x in the given equation.
Q.6. If the roots of are two consecutive integers. Prove that
3. Solve for x: (x-1)(x+3)(x-2)(x-6)+36=0