Question

Consider the expansion of (x+1)8, which terms in the expansion have a coefficient of 56? x^4...

Consider the expansion of (x+1)8, which terms in the expansion have a coefficient of 56?

x^4 and x^5

x^4 and x^6

x^3 and x^4

x^3 and x^5


What is the sum of coefficients in (x + 1)8?

512

128

364

256

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