Question

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Fill in the blanks:

1). (a + b)²= a² +.........+2ab

2). (a²- b²) = (a+b)+......

3). Zero has _____reciprocal.

4). The reciprocal of -5 is_____

5). The product of two rational number is always a_____

6). The reciprocal of a positive rational number is______​

Answer 1

Step-by-step explanation:

1) b^2

2) (a-b)

3) no

4) -1/5

5) rational number

6) always positive or fractional