theorem 5

Let f be a differentiable function on I and let x 0 be any interior point of I. Then (a) If f attains its absolute maximum value at x 0 , then f ' (x 0 )= 0 (b) If f attains its absolute minimum value at x 0 , then f '(x 0 ) = 0. In view of the above theorems, we state the following rul..

The sum of the three angles of a triangle is 180 o..

A rhombus is a parallelogram whose diagonals meet at right angles. ABCD is a rhombus. AC and BD meet at right angle..

Theorem 5 - A rhombus is a parallelogram whose diagonals meet at right angles. ABCD is a rhombus. AC and BD meet at right angle..

In a Boolean algebra B, we have 1' ..

Statement - The diagonals of a rhombus are perpendicular to each othe..

If the diagonals of a parallelogram are perpendicular then it is a rhombu..

Lami's Theorem - If three concurrent forces acting on a body keep it in equilibrium, then each force is proportional to the sine of angle between the other two forces. Þ If three concurrent forces keep a body A in equilibrium, the 3 forces must be coplana..