Procedure
Step I: Cut four strips of 6 x 1 unit from yellow coloured chart paper and four strips of 4 x 1
unit from blue coloured chart paper as shows in fig. 1.1.
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Answer:
Here is your answer !!
__________
x⁴ - 16
= ( x² )² - ( 4 )²
= ( x² - 4 ) ( x² + 4 )
= { x² - ( 2 )² } ( x² + 4 )
= ( x - 2 ) ( x + 2 ) ( x² + 4 ) .
Step-by-step explanation:
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