{"result":{"text":"open square brackets fraction numerator n subscript 1 C subscript 1 superscript 2 plus n subscript 2 C subscript 2 superscript 2 plus n subscript 3 C subscript 3 superscript 2 plus.... over denominator n subscript 1 plus n subscript 2 plus n subscript 3 plus..... end fraction close square brackets to the power of 1 divided by 2 end exponent"},"status":"ok"}