Nagaland was declared as a separate state on ________.
1st November 1963
1st November 1964
1st December 1964
1st December 1963
Find the value of \(\frac{(p-q)^3+(q-r)^3+(r-p)^3}{9(p-q)(q-r)(r-p)}\).
\( \frac{2}{3} \)
\( \frac{1}{5} \)
\( \frac{1}{4} \)
\( \frac{1}{3} \)