Q15 of 169 Page 9

If x be any rational number then x + 0 is equal to

x + 0 = x,(as Zero is identity function for addition of rational functions).

More from this chapter

All 169 →
13

– (–x) is same as

 14

The multiplicative inverse of is

 16

The reciprocal of 1 is

 17

The reciprocal of –1 is