Question
Download Solution PDFThe equation of circle with centre (1, -2) and radius 4 cm is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven
Centre point are (1, -2)
Radius = 4cm
Formula used
(x -a)2 + (y - b)2 = r2
where, a and b are point on centre
r = radius
x and y be any point on circle
Calculation
Put the value of a, b and r in the formula
(x-1)2 + (y + 2)2 = 16
⇒ x2 + 1 - 2x + y2 + 4 + 4y = 16
⇒ x2 + y2 - 2x + 4y = 11
Last updated on May 28, 2025
-> The SSC has released the SSC CHSL exam calendar for various exams including CHSL 2025 Recruitment. As per the calendar, SSC CHSL Application process will be active from 23rd June 2025 to 18th July 2025.
-> The Exam Date for the SSC CHSL 2025 will be from 8th September 2025 to 18th September, 2025.
-> The SSC CHSL is conducted to recruit candidates for various posts such as Postal Assistant, Lower Divisional Clerks, Court Clerk, Sorting Assistants, Data Entry Operators, etc. under the Central Government.
-> The SSC CHSL Selection Process consists of a Computer Based Exam (Tier I & Tier II).
-> To enhance your preparation for the exam, practice important questions from SSC CHSL Previous Year Papers. Also, attempt SSC CHSL Mock Test.