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Flag Algebra> find coeffecient of x 4 in (1+x 2 -2x 2 )...
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find coeffecient of x4 in (1+x2-2x2)7 Thanks in advance

Yashsva Sisodiya , 8 Years ago
Grade 12
anser 1 Answers
Sourabh Singh

Last Activity: 8 Years ago

Hii

Its nothing but (1- x2)7 . The answer to this question is -7C2 .


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