(p² - 2q²)² find the product
Answers
Answered by
1
Answer:
Step-by-step explanation:
(p² - 2q²)²
= p^4+4q^4 -4p^2q^2 (using(a-b)^2=a^2+b^2-2ab)
Answered by
1
Answer:
= 2p²+2(2q)²
Step-by-step explanation:
(p²- 2q²)² = ((p+2q)(p-2q))²
= (p+2q)² (p-2q)²
= (p²+2 p-2q+2q²)(p²-2 p-2q+2q²)
= 2p²+2(2q)²
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