`Na^(Theta)` and Ne are ……. To each other

Na^(o+) and Ne are ……. To each other

Verify that [(cos theta, sin theta),(-sin theta, cos theta)] and [(cos theta, - sin theta),(sin theta, cos theta)] are inverse of each other.

Na_(2)SO_(4) and Na_(2)S can be distinguished from each other by using:

Na_(2)SO_(4) and Na_(2)S can be distinguished from each other by using:

The condition on the polynomial p(x)= ax^(2) + bx +c, a ne 0 , so that its zeroes are reciprocal of each other, is

If theta_1 and theta_2 be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip theta is given by

If theta_1 and theta_2 be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip theta is given by