Math, asked by atulsir31, 4 months ago

x⁴+4
PLEASE FACTORISE..

Answers

Answered by Naisha28
1
x⁴ + 4
Add and subtract 4x²,
= x⁴ + 4x² +4 - 4x²
= (x²)² + 2(2)(x²) + 2² - 4x²
= (x² +2)² - 4x²
= (x² +2)² - (2x)²
= (x² + 2 - 2x) (x² + 2 + 2x)
= (x² - 2x +2) (x² + 2x + 2).




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