find the sum of coefficients in the expantion of (1-3x+x2)111
Vivek Yadav , 13 Years ago
Grade 11
Magical Mathematics[Interesting Approach]> math...
3 Answers
SAGAR SINGH - IIT DELHI
Last Activity: 13 Years ago
Dear student,
Remember that 
and that 
Anirudh mahendrakar
Last Activity: 13 Years ago
1*111+111-3*111= "-111"
Souradeep Majumder
Last Activity: 13 Years ago
SUM OF COEFFICIENT IS -1^111 THAT IS -1
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