4x⁴+81y⁴ factorise the following
Answers
Answered by
1
Answer:
4x⁴ + 81y⁴
= (2x²)² + (9y²)²
= (2x² + 9y²)² - 2× 2x² × 9y²
since, a² + b² = (a + b)² - 2ab
= 2x² + 9y² - 36x²y²
hope it helps you!!
Answered by
0
Answer:
2(x-y)+2xy
Step-by-step explanation:
4x⁴+81y⁴ = (2x²)+(9y²) = 2(x-y)+2xy
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