(-31)-:[(-30)+(-1)]

Evaluate each of the following : (-31)div[(-30)+(-1)]

Evaluate each of the following: (-31) div [(-30)+(-1)]

What is the value of (1)/(30.31) +(1)/(31.32)+(1)/(32.33) + …+ (1)/(89.90) ?

If PxxQ={(2,-1),(3,0),(2,1),(3,1),(2,0),(3,-1)} , find P and Q.

Determine the domain and range of the following relations : {(-3,1),(-1,1),(1,0),(3,0)}

PARAGRAPH The vertices of triangle formed by the points (2,-5), (2,5),(4,5). Q. Circum center is: (A) (3,1) (B) (3,0) (C) (-3,-1) (D) (-3,2)

If A=[(1,0,-1),(2,1,0)], B=[(3,1),(-1,2),(0,1)] and C=[(4,2),(-3,0),(1,2)] show that AB=AC .

If x=(1)/(20.21)+(1)/(21.22)+...+(1)/(29.30)andy=(1)/(30.31)+(1)/(31.32)+...+(1)/(39.40) , Then what is the value of (x)/(y) ?

Consider a triangle with vertices A(1,2),B(3,1) and C(-3,0) . Find the equation of altitude through vertex A .