Question
What is the simplified form of the expression? (1
+ x) (1 + x²) (1 + x⁴) (1 + x⁸) (1 – x)? A.(1-x40) B.(1-x16) C.(1-x 48) D.(1-x32)Solution
(1 + x) (1 + x²) (1 + x⁴) (1 + x⁸) (1 – x) =(1-x²) (1 + x²) (1 + x⁴) (1 + x⁸) =(1-x⁴) (1 + x⁴) (1 + x⁸) =(1-x⁸) (1 + x⁸) = (1-x16)
The mean proportion of 324 and 225 is:
The mean proportional of 9 and 16 is _____.
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If A:B:C = 3:4:7 and (C - A + B) = 48, then find the value of (2C + A2).
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