how to make
Question
Maths
Nov. 8, 2019, 6:58 p.m.
Answer
If f(x)=√x,(x≥0)and g(x)=x square-1 are two real functions,then define fog and gof ,if they exist
Maths
Nov. 8, 2019, 6:21 p.m.
Answer
Show that the equation of the line having slope m making x intercept d is given by y=m(xy-d) .Find the y intercept of the line
Maths
Nov. 8, 2019, 5:50 p.m.
Answer
Show that there are two lines which pass through the point A(3,7) and the sum of whose intercepts on the coordinate axes is 0 .Draw the rough sketch of these two lines
how we take cos0 greater or less than 0 nd 1 respectively
and how cos0 =cos²0
and how cos0 =cos²0
Maths
Nov. 8, 2019, 3:47 p.m.
Answer
If x=(b-c) (a-d) and y=(c-a) (b-d) and z=(a-b) (c-d) then the value of x cube y Cube z cube
For what value of k, are the roots of the quadratic equation 3x 2 + 2kx + 27 = 0 real and equal.
as 2n is even the middle term of the expansion (1+x)to the power of 2n is ( 2n/2+1)
Maths
Nov. 8, 2019, 9:05 a.m.
Answer
The angle of elevation of an airplane from a point on the ground is 600
. After a flight of
30 seconds, the angle of elevation becomes 300
. If the airplane is flying at a constant
height of 3000√3 m, find the speed of the airplane.