Question

Solve : (1 + )1⁄3 + (1 − )1⁄3 = 21⁄3

Answer 1

Answer:

$(1 + \frac{1}{3} ) + (1 - \frac{1}{3} ) = \frac{21}{3} \\ ( \frac{3 + 1}{3} ) + ( \frac{3 - 1}{3} ) = 7 \\ \frac{4}{3} + \frac{2}{3} = 7 \\ \frac{4 + 2}{3} = 7 \\ \frac{6}{3} = 7 \\ \underline{ \underline{ 2 ≠7}}$