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SHUBHAM SHEKHAR

· started a discussion

· 1 Months ago

Data given in the left column of the table are wrong. (Question: 111226.0 )

A special request on behalf of all the student fraternity that please provide correct data and information in the question. Otherwise your wrong questions most of the time gobble a lot of time from the limited time we have and thereby it decimate our confidence and problem-solving capacity. You do post some good questions, of course, I'm not denying it but almost in every test you provide more than 6-7 questions wrong which literally make us frustrated.

Question:
Match list I (equation of circle) with list II (their centres) and select the correct answer using the codes given below the lists : 


List I
List II
(equation of circle)

(their centers)
A. (x+2)2 + (y+1)2 = 11.(1, -2)
B. (x-1)2 + (y+2)2 = 12.(-1, 2)
C. (x+1)2 + (y-2)2 = 43.(2, 1)
D. (x-2)2 + (y - 1)2 = 44.(-2, -1)
Options:
A)
ABCD
4123
B)
ABCD
4213
C)
ABCD
3124
D)
ABCD
3214
Solution:
Ans: (a)

Centre of (x+2)2 + (y+1)2 = 1 is (-2, -1)

Centre of (x-1)2 + (y+2)2 = 1 is (1, -2)

Centre of (x+1)2 + (y-2)2 = 4 is (-1, 2)

Centre of (x-2)2 + (y-1)2 = 4 is (2, 1)

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