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Asher Falcon TMUA Paper 1 · Q5

Paper 1Algebra

The coefficient of x3y4z3x^3y^4z^3 in the expansion of

(2x+4y2+8z3+128)8(2x+4y^2+8z^3+128)^8

can be expressed in the form a⋅2ba\cdot2^b. What is a+ba+b?

A2424
B2525
C3434
D4242
E5252
F5656
G127127
H128128
I130130
J133133
K865865

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