Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If 
then the value of the expression 
is equal to -
Text Solution
Verified by ExpertsThe correct answer is:
B
(x + 5) 2 = (4i) 2 ⇒ x 2 + 10x + 41 = 0
Now, x 4 + 9x 3 + 35x 2 – x + 4
= x 2 (x 2 + 10x + 41) – x (x 2 + 10x + 41) + 4(x 2 + 10x + 41) – 160
= (x 2 – x + 4) (x 2 + 10 x + 41) – 160
= – 160
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