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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
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
3rd:
3. Solve for x: (x-1)(x+3)(x-2)(x-6)+36=0
Answer
2
Prithika
Subject: Maths
, asked on 18/5/18
Pl explain how f(x) is positive when d>0 and a>0
Answer
2
Prithika
Subject: Maths
, asked on 18/5/18
Pl explain how f(x) is positive when d 0
Answer
1
Aryan Shandilya
Subject: Maths
, asked on 18/5/18
Find the solution to these quadratic equation.
i
)
a
x
2
y
2
-
a
x
y
z
+
a
2
x
z
2
i
i
)
a
-
b
4
+
b
-
a
3
i
i
i
)
2
a
3
b
2
-
4
a
2
b
3
+
8
a
b
4
-
16
b
5
i
v
)
2
x
-
3
3
-
8
x
+
12
Answer
1
Bhavya Biswas
Subject: Maths
, asked on 17/5/18
Find the values of k for which the quadratic equation has equal roots (k-12)X2 + 2(k-12)x + 2=0
Answer
1
Avani Chaturvedi
Subject: Maths
, asked on 17/5/18
Solve this and no links plz
Q.7. A passenger trains takes 2 hours less for a journey of 300 km. If its speed is increased by 5 km/h from its usual speed, find the
Answer
1
Avani Chaturvedi
Subject: Maths
, asked on 17/5/18
Solve this and no links plz
Q.6. Solve for x :
x
-
1
x
-
2
+
x
-
3
x
-
4
=
10
3
x
≠
2
,
4
Answer
1
Avani Chaturvedi
Subject: Maths
, asked on 17/5/18
Solve this and no links plz
Q.5. Given that
x
-
5
is a factor of polynomial
x
3
-
3
5
x
2
-
5
x
+
15
5
, then find all the zeroes of the polynomial.
Answer
1
Avani Chaturvedi
Subject: Maths
, asked on 17/5/18
Plz answer this question fast and no links plz
Answer
1
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What are you looking for?
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
Q.7. A passenger trains takes 2 hours less for a journey of 300 km. If its speed is increased by 5 km/h from its usual speed, find the
Q.6. Solve for x :
Q.5. Given that is a factor of polynomial , then find all the zeroes of the polynomial.