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Khushboo
Subject: Maths
, asked on 17/5/18
BOARD QUESTIONS: Do give correct answer of the 7th question."DO NOT SEND ANSWERS THROUGH LINKS"
Q.7. Find the value of k, for which the quadratic equation
k
-
2
x
2
-
2
2
k
-
3
x
+
5
k
-
6
=
0
has real and equal roots.
[Ans. k = 1, 3]
Answer
1
Khushboo
Subject: Maths
, asked on 17/5/18
BOARD QUESTIONS: Do give correct answer of the 2nd question."DO NOT SEND ANSWERS THROUGH LINKS"
Answer
0
Khushboo
Subject: Maths
, asked on 10/5/18
!!"DO NOT SEND ANY LINKS" .Answer the 11th question:
11. Solve the quadratic equation x
2
-3(x+3)=0
Answer
2
Khushboo
Subject: Maths
, asked on 10/5/18
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Answer
1
Khushboo
Subject: Maths
, asked on 10/5/18
!!!"DO NOT SEND ANY LINKS" .Answer the 6th question
Answer
1
Rajay Rajay Chakrasingh
Subject: Maths
, asked on 5/5/18
How to do number 1,4 and 5?
Answer
1
Khushboo
Subject: Maths
, asked on 4/5/18
!!!"DO NOT SEND ANY LINKS" .Answer the 10th question
Q.10. Solve the equation
3
x
2
-
x
-
7
=
0
and give your answer correct to two decimal places.
Answer
1
Khushboo
Subject: Maths
, asked on 3/5/18
!!!"DO NOT SEND ANY LINKS" .Answer the 7th question
Q.7. In the figure ABCD is a parallelogram. E is the point on CD, AE intersect BD at O. EF
∥
CB and DF : FB = 3 : 1. Find
(i) area of
△
DFE : area of
△
DBC
(ii) area of
△
DFE : area of trapezium EFBC.
Answer
0
Rajay Rajay Chakrasingh
Subject: Maths
, asked on 2/5/18
How to do number 1, 4, 5 and 6?
Answer
2
Rajay Rajay Chakrasingh
Subject: Maths
, asked on 2/5/18
How to do?
4
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-
a
x
-
b
x
-
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-
b
=
x
-
c
x
-
d
x
-
c
-
d
6
)
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x
2
+
p
x
+
q
=
0
a
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tan
30
°
a
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d
tan
15
°
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f
2
+
q
-
p
Answer
1
Jayanti Goswami
Subject: Maths
, asked on 12/4/18
Solve:
{(1200/x)+2}(X-1) -1200 =60
Please use factorization method
Answer
1
Jayanti Goswami
Subject: Maths
, asked on 11/4/18
Solve:
(x+1)(2x+8) = (x+7)(x+3)
(use factorization method)
Answer
1
Rajay Rajay Chakrasingh
Subject: Maths
, asked on 9/4/18
Plz EXPLAIN
Q.11. The sum of all the real roots of the equation
x
-
2
2
+
x
-
2
-
2
=
0
is?
Answer
2
Omm Prasad
Subject: Maths
, asked on 25/3/18
Please solve the 7th question.
Please do not provide any link.
Q.7. A goods train leaves a station at 6 p.m., followed by an express train which leaves at 8 p.m. and travels 20 km/hour faster than the goods train. The express train arrives at a station, 1040 km away, 36 minutes before the goods train. Assuming that the speeds of both the trains remain constant between the two stations; Calculate their speeds.
Answer
2
Akshay Kumara
Subject: Maths
, asked on 11/2/24
If the roots of the quadratic equation 2kx^2 + (2a + b)x - ab = 0 are (-2, a), the value of k is:
i) -1
ii) -2
iii) 1
iv) 2
Please show the working also
Answer
1
1
2
3
4
5
Next
What are you looking for?
Q.7. Find the value of k, for which the quadratic equation has real and equal roots.
[Ans. k = 1, 3]
11. Solve the quadratic equation x2-3(x+3)=0
Q.10. Solve the equation and give your answer correct to two decimal places.
Q.7. In the figure ABCD is a parallelogram. E is the point on CD, AE intersect BD at O. EFCB and DF : FB = 3 : 1. Find
(i) area of DFE : area of DBC
(ii) area of DFE : area of trapezium EFBC.
{(1200/x)+2}(X-1) -1200 =60
Please use factorization method
(x+1)(2x+8) = (x+7)(x+3)
(use factorization method)
Q.11. The sum of all the real roots of the equation is?
Please do not provide any link.
Q.7. A goods train leaves a station at 6 p.m., followed by an express train which leaves at 8 p.m. and travels 20 km/hour faster than the goods train. The express train arrives at a station, 1040 km away, 36 minutes before the goods train. Assuming that the speeds of both the trains remain constant between the two stations; Calculate their speeds.
i) -1
ii) -2
iii) 1
iv) 2
Please show the working also