A race track is in the form of a ring whose inner and outer circumferences are 437m and 503m respectively. The area of the track is A. 66 sq.m B. 4935 sq.m C. 9870 sq.m D. None of these

Is it possible to attend the class 9 online test session only? Based on the class room practice, need to attend the online test sessions.

What is the answer of  cos(n+1)a.cos(n-1)a+sin(n+1)a.(n-1)a=

What is the answer of the Cos(n+1)a.cos(n-1)+sin(n+1)a.sin(n-1)a=

Find the coordinates of a point on the x-axis which is equidistant from

(1, 2) and (5, 6).

Factorize the expression      X⁴+324.   Idk how to solve it