1.)I write any 2 rational numbers equavalent to -7/182.)Express 169 as

1.	1.)I write any 2 rational numbers equavalent to -7/182.)Express 169 as a sum of consecutibe old numbers13.)Find the range for the marks obtained by 10 children out of 40 in PT-II 28,39,17,32,21,18,38,364.find the cube of -4/115.Find the sum of -3a2 - ab+ b2 and 2a2 - 2ab+b2
Answer» Answer: 13.Range=maximum NUMBER- MINIMUM number =39-17=22. 5.-3a2-ab+b2+2a2-2ab+b2 =a2-3ab+2b2

1.)I write any 2 rational numbers equavalent to -7/182.)Express 169 as a sum of consecutibe old numbers13.)Find the range for the marks obtained by 10 children out of 40 in PT-II 28,39,17,32,21,18,38,364.find the cube of -4/115.Find the sum of -3a2 - ab+ b2 and 2a2 - 2ab+b2

Answer»

Answer:

13.Range=maximum NUMBER- MINIMUM number

=39-17=22.

5.-3a2-ab+b2+2a2-2ab+b2

=a2-3ab+2b2