Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If 
be the roots of the equation 
A
0
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Step 1: Express roots
Step 2: Use polynomial relation
Expand 
using binomial theorem:
The sum of roots of a degree- 7 polynomial 
is 
Here, 
(because original equation has factor 2 in 
)
Step 3: Real part
By symmetry of roots in Argand plane, the sum of real parts = sum of roots along real axis = = 
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