Question

EXPAND USING FORMULA (a+b)³​

Answer 1

Step-by-step explanation:

(a+b)3= a3+b3+3a2b+3ab2

(40+1)3=40^3+1^3+3×40^2×1+3×40×1^2

=64000+1+4800+120=68921

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Answer 2

This is your answer hope it helps you
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