SOLUTION: There is no term in x in the expansion of (1-x)(1-cx)^10, find the value of c.
i tried a few times but i failed to solve it, i would appreciate some explanation
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Question 841421: There is no term in x in the expansion of (1-x)(1-cx)^10, find the value of c.
i tried a few times but i failed to solve it, i would appreciate some explanation
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Hint: (1-cx)^{10} = (1-cx)^{10} - x(1-cx)^{10})
.
Find the x-term in each expression. Note that the x-term in ^{10})
is found by finding the constant term in ^{10})
.
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