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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
$\left(k-2\right){x}^{2}-2\left(2k-3\right)x+\left(5k-6\right)=0$
has real and equal roots.
[Ans. k = 1, 3]
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
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?
$4)Solvetheequation\phantom{\rule{0ex}{0ex}}\frac{\left(x-a\right)\left(x-b\right)}{x-a-b}=\frac{\left(x-c\right)\left(x-d\right)}{x-c-d}\phantom{\rule{0ex}{0ex}}6)Iftherootsofthequadraticequation{x}^{2}+px+q=0are\mathrm{tan}30\xb0and\mathrm{tan}15\xb0respectively\phantom{\rule{0ex}{0ex}}thenfindthevalueof2+q-p$
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
${\left|x-2\right|}^{2}+\left|x-2\right|-2=0$
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
Avani Singh
Subject: Maths
, asked 3 weeks, 4 days ago
Experts please help me.....
Answer
1
Avani Singh
Subject: Maths
, asked 3 weeks, 4 days ago
Please help me...................
Answer
1
Vijval
Subject: Maths
, asked on 9/7/22
Please solve the following question.
Answer
1
Zeba Chowdhury
Subject: Maths
, asked on 3/6/22
Which of the following is correct?
A) Quadratic equation having rational coefficients have both of their roots rational.
B)Quadratic equation having rational coefficients can have both of their roots irrational.
C)Quadratic equation having integral coefficients have both of their roots integers.
D)Quadratic equation having integral coefficients cannot have both of their roots rational.
Answer
1
Antra Saraswat
Subject: Maths
, asked on 29/5/22
Please help me in completing this question....
Answer
1
Zeba Chowdhury
Subject: Maths
, asked on 28/5/22
Pls solve the following:
Answer
1
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Q.7. Find the value of k, for which the quadratic equation $\left(k-2\right){x}^{2}-2\left(2k-3\right)x+\left(5k-6\right)=0$ has real and equal roots.

[Ans. k = 1, 3]

Q.10. Solve the equation $3{x}^{2}-x-7=0$ and give your answer correct to two decimal places.

$4)Solvetheequation\phantom{\rule{0ex}{0ex}}\frac{\left(x-a\right)\left(x-b\right)}{x-a-b}=\frac{\left(x-c\right)\left(x-d\right)}{x-c-d}\phantom{\rule{0ex}{0ex}}6)Iftherootsofthequadraticequation{x}^{2}+px+q=0are\mathrm{tan}30\xb0and\mathrm{tan}15\xb0respectively\phantom{\rule{0ex}{0ex}}thenfindthevalueof2+q-p$

{(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 ${\left|x-2\right|}^{2}+\left|x-2\right|-2=0$ 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.

A) Quadratic equation having rational coefficients have both of their roots rational.

B)Quadratic equation having rational coefficients can have both of their roots irrational.

C)Quadratic equation having integral coefficients have both of their roots integers.

D)Quadratic equation having integral coefficients cannot have both of their roots rational.