Find the following products. With step by step explanation. 1. (x-y) (x+y) (x²-y²) 2. (x+y+1) (x²-x-7) 3.(a+b+c) (a+b-c)
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Answer:
x²-y²
Step-by-step explanation:
1.Given,
=(x-y)(x+y)(x²-y²)
(a-b)(a+b)=a²-b²
x²-y²
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