a⁴-6a²b²+9b⁴ -(-a⁴-a²b²-4b⁴)

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Posted by Ronit Singh 4 years, 11 months ago
- 2 answers
Shruti ? 4 years, 11 months ago
a⁴+a²b²+b⁴
= (a² +b²)² - 2a²b² + a²b²
= (a²+b²)² - a²b²
= (a²+b²)² - (ab)²
now it is in the form of a² - b² =( a+ b)(a-b)
(a²+b²+ab)(a²+b² - ab)
2) a⁴-6a²b²+9b⁴
[(a²)² - 2 × a² × 3b² + (3b²)² ]
(a² - 3b²)²
Answer - (a²+b²+ab)(a²+b² - ab)(a² - 3b²)²
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Divya Chouhan 4 years, 10 months ago
0Thank You