Find the coefficient of x4 in the expansion of (1 + x + x2 + x3)11
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you're gonna have to use the multinomial theorem for this, do you know it, coz I don't.
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The coefficient of x^4 in this equation is 0... because this is a cubic equation
anuritha:
Please mark it as brainiest answer
Dude its raised to the 11th power
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