Question

(vii) (x2 +1) X (x2 - 1)



plss answer the question step by step​

Answer 1

Answer:

$( {x}^{2} + 1)( {x}^{2} - 1) \\ {x}^{2} ( {x}^{2} - 1) + 1( {x}^{2} - 1) \\ {x}^{4} - {x}^{2} + {x}^{2} - 1 \\ {x}^{4} - 1$

hope it helps you dear.....