If the binomial expansion of (1 + 3x)\(^6\) is used to evaluate (0.97)\(^6\), find the value of x.

  • A 0.03
  • B 0.01
  • C - 0.01
  • D - 0.03
waec 2020furthermathematics

The correct answer is C. - 0.01

(1 + 3x )\(^6\) = (0.97)\(^6\) 

1 + 3x = 0.97 

3x = 0.97.1

\(\frac{3x}{3} = \frac{0.03}{3}\)

x = -0.01

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