" ii) "-7-2-(-25

If tantheta=3/4 , then cos^2theta-sin^2theta= 7/(25) (b) 1 (c) -7/(25) (d) 4/(25)

The equation of a circle is x^(2)+y^(7)2=25 The equation of its chord whose middle point is (1,-2) is given by

7(x-2y)^2-25(x-2y)+12

2.45x + 1.5 = 3.7x - 2.25 then x=_____

State which of the following are the coordinates of the centroid of the triangle formed by joining the points (7,-5),(-2,5) and (4,6) ?

x ^(3) + 4= 3x ^(2) -7x +25 For what real value of x is the above equation valid ?

In Fig. , the area of A B C (in square units) is (a) 15 (b) 10 (c) 7.5 (d) 2.5

By using the formula log_(a)x^(n)=nlog_(a)x, convert the following. (i) log_(2)7^(25)

The equation of the line joining the points (-2,4,2) and (7,-2,5) is