SOLUTION: Determine the coefficient of x² in the binomial expansion of (2+x)⁴ ?
Could I be shown this step by step please Thank you
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Question 1029816: Determine the coefficient of x² in the binomial expansion of (2+x)⁴ ?
Could I be shown this step by step please Thank you
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
The coefficients of a binomial expansion such as this can be found using Pascal's Triangle:
1
11
121
1331
14641
Here is the group for n=4 power...
Now when you expand a binomial, the powers of the first term go from four to zero, and the powers of the second term go from zero to four...so that
=
So the coefficient of the x^2 term is 24.
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