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The coefficient of x4 inis :1.2.3.4.

VISHWESH RAVI , 14 Years ago
Grade 12th Pass
anser 2 Answers
aakriti goel

Last Activity: 14 Years ago

d ans is d 1st option

Nehal Wani

Last Activity: 14 Years ago

 

 

=10C­r(x/2)10-r(-3/x2)r

=10C­r(x/2)10-r(-3)r(x-2)r

10-r-2r=4

10-3r=4

r=2

Coefficient Of x4 in

 

 

=10C­2(1/2)10-2(-3)2

=45*9/28

=405/256

 

 

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