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AB AC are tangents to parabola y2 = 4ax. if l1, l2 and l3 are the lengths of perpendicular C on any tangent to the parabola then find the relationship between l1, l2 and l3.

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Mathematics
Rishabh
3 months
0 Answers
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A is a point on the parabola Y2 = 4ax. The Normal at A cuts the parabola again at point B. If AB subtends a right angle at the vertex of the parabola, then find the slope of AB.

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Mathematics
3 months
0 Answers
21 views
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if A and B are mutually exclusive events, P (A or B) = .7, P(A) = .2, then P (B) =

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Mathematics
allistreet509
4 months
1 Answer
80 views
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There are two filling machines operating in a production unit filling syrup In bottles. Two samples each of size 36 filled bottles gave the following data: Which of the two machines is more stable in performance?
Machine Mean content Standard ...

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Mathematics
smohmmad
9 months
0 Answers
140 views
0
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Mimi is into figure skating these days due to the Winter Olympics. She started learning toe loop jumps a couple weeks ago. Her probability of landing a successful single toe loop jump is 0.20. She plans to attempt 10 single ...

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Mathematics
JLARUEX
9 months
0 Answers
103 views
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Let X1, X2, . . . , Xi , . . . be a sequence of iid continuous random variables with pdf f(x|θ), 0 < x < θ.
Prove that the sample maximum X(n) is a consistent estimator of parameter ...

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Mathematics
nt2018
9 months
0 Answers
84 views
0
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Let X1, X2, . . . , Xn be a random sample each coming from the continuous distribution
f(x|θ) = a(x^k). where 0 < x < θ and k ≥ 1. (k and a are both constants)
1. Find a sufficient statistic ...

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Mathematics
nt2018
9 months
0 Answers
102 views
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In a simple random sample of 1500 young Americans, 87% had earned a high school diploma. What is the standard error for this estimate percentage of all young Americans who earned a high school diploma?

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Mathematics
Horizon14741
9 months
0 Answers
175 views
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A is 30% more efficient than B. B works for 12 days, and the remaining work is completed by A alone in 30 days. In how many days will B, working alone, complete half the total work?

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Quantitative Ability
Payal Patidar
2 years
1 Answer
296 views
1
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A+B can complete the work in 40% less time than C while B+C can complete the same work in 60%less time than A .If they work together can complete the whole work in 20 days ,then in how many days ...

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SSC & Banking
Anjali Gupta
11 months
1 Answer
225 views
1
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Let N be the sum of all the real solution of the equation given below. If N = (a^b -a)/c , where a, b and c are positive integers and a and c are co-prime, then what is the value ...

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Mathematics
11 months
1 Answer
160 views
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In an elementary school, it was claimed that Mrs. SMith’s students did substantially better than the rest of the school on a particular exam. The school had an average exam score of 79.23 while Mrs. Smith’s 23 students had an ...

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Data Interpretation
jillian.sanders@hardin.kyschools.us
11 months
0 Answers
173 views
1
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For the following problems, choose and perform the appropriate statistical test. For your answer, you should provide a null and alternative hypothesis, the statistic you calculated, your comparison and what number you compared it to, the decision this comparison prompted, ...

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Other
Need help
1 year
0 Answers
632 views
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Strength of Material – Chapter 4 ...

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Utkarsh Gupta
December 21 , 2018
Biology , Chemistry , Engineering , JEE Mocks , Mini Mock Test , NEET , Physics , Quiz , Science
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IIT JEE Mock Test by KFDN “IIT JEE” Mock Test is brought to you by Kailasha Foundation- Fun & Learn Portal to help you boost yourself for JEE, and other engineering entrance exams with our specially tailored ...

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Continue readingToday it is almost impossible to imagine our lives without internet. Internet has become a major part of young people’s life and, much like oxygen, water, or electricity, are assumed to be a basic condition of modern life. ...

Continue readingFormer Economic Affairs Secretary of India Mr. Shaktikanta Das assumed the RBI Governor’s office as 25th Governor after Dr. Urjit Patel surprisingly withdrew himself from the post. Mr. Shaktikanta Das is the first I.A.S officer to assume the ...

Continue readingFOR IT IS NOT ONLY THE TYRO WHO NEEDS TO BE WARNED THAT WHILE ENTHUSIASM MAY BE NECESSARY FOR GREAT ACCOMPLISHMENTS ELSEWHERE, ON WALL STREET IT ALMOST INVARIABLY LEADS TO DISASTER. ~BENJAMIN GRAHAM~ New development such as the rapid ...

Continue readingNTSE (National Talent Search Exam) for students is meant to identify and nurture talent. The NTSE exam is conducted every year at two levels: – Stage-I (State Level) and stage-II(National Level). About one thousand scholarships are awarded for ...

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## time required for completion of 99.9% of first order reaction is 10 times of half life.

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## Mathematics