Question

Exercise I (a)
1. Find the equation of the sphere whose centre is (2-1, 1) and radius is 2,
(उस गोले का समीकरण ज्ञात कीजिए जिसका केन्द्र (Y2,-9, 1) तथा त्रिज्या 2 है।)
2. Find the centre and radius of the following sphere:
(निम्न गोले का केन्द्र एवं त्रिज्या ज्ञात कीजिए :)
x2 + y +22-2x+4y-6z= 11.​

Answer 1

Step-by-step explanation:

Your answer will be x² + y² + z² - 6x - 4y - 2z - 11 = 0 is the right answer

...already solved by other