Question

1. The product of 4p²q² and p² - q² is ___________.
2. (a + b)(a - b) = ___________.
3. Expressions that contain exactly one, two and three terms are called __________ , __________ and __________
respectively .
4. When two terms have same variables and the power of these variables is also same,such terms are known as __________.
5. The co-efficient of - x/2 is ___________.
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Answer 1

Answer:

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