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CGP EDU Academic Team
Published on: August 13, 2026
Find the sum of all the coefficients in the expansion of ( 1 + x – 3x 2 ) 2143
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. Rul ( x = 1), sum of all coeff. (1 + 1 – 3) 2143 = 1
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