Question

My ! Ux' + y = (x + y) (x² - xy + y²) (ii) x - y =
10. Factorise each of the following:
(i) 27y3 + 125z
(ii) 64m? - 343n
[Hint : See Question 9.]
11. Factorise : 27x3 + y + z? - 9xyz,
1
2
12. Verify that x' + y +z? - 3xyz = (x + y + z)[(x –
13. If x+y+z= 0, show that x? + y2 + z = 3xyz.
14. Without actually calculating the cubes, find the val
(i) (-12) + (7)3 + (5)3
(ii) (28)3 + (-15) +(-13)​

Answer 1

Answer:

Roll no one is the way aap kaha rahata I am

Step-by-step explanation:

Roll no one is the way aap kaha rahata I 2 nd 22222 nd accounts ka result a gaya 22 nd