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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______
Answers
Answered by
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Step-by-step explanation:
1) b^2
2) (a-b)
3) no
4) -1/5
5) rational number
6) always positive or fractional
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