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find the coefficient of x^7 in the expansion of 1-x-x^2+x^3.

find the coefficient of x^7 in the expansion of 1-x-x^2+x^3.

Grade:12

3 Answers

Akash Kumar Dutta
98 Points
9 years ago

Dear Ayushi,
your question is not clear.
power of the terms as whole are unkown.
Please post the full question.
Regards.

Prajwal kr
49 Points
9 years ago

Question wrong.

Rohan Das
36 Points
9 years ago

your question must have a combined power of the equation so that binomial theorem can be applied

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