Math, asked by shaikkifayath7, 17 days ago


x {4  - 81}^{?}
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Answers

Answered by behurasanskriti
0

Answer:

Q. x⁴ - 81

= x⁴ - (3) ⁴ { 3×3×3×3 = 81}

= ( x²) ² - (3²) ² [ a²-b² =( a+b ) (a-b) ]

= ( x² - 3²) (x² + 3²) [ a²-b² =( a+b ) (a-b)]

= ( x + 3) (x - 3) (x² + 3²)

H O P E T H I S H E L P S Y O U : - )

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