find equation of the circle which passee through the points (2, -2) and (3, 4) and whose centre lies on the line (x+y) =2
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Exercise 4.1 Chapter 4 Cubes and Cube Roots
1. Find the cubes of the following numbers:
(i) 7 (ii) 12
(iii) 16 (iv) 21
(v) 40 (vi) 55
(vii) 100 (viii) 302
(ix) 301
Solution:
(i) 7
Cube of 7 is
7 = 7× 7 × 7 = 343
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