A deli served 1,288 sandwiches in 4 weeks. If it served the same number of sandwiches each day, how many sandwiches did it serve
1 answer:
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<u>Answer:</u>
The coefficient of
<u>Solution: </u>
The given expression is
As per binomial theorem, we know,
Now here a = 2x, b = (- 3y) and n = 10 and k = 0,1,2,….10
Now will be the 6 term where k =5
Now,
So, the coefficient of .
The coefficient of