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
Question
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.
Maths
Nov. 8, 2019, 12:06 a.m.
Answer
The radii of two circle are 12 and 16 respectively. Find the radius of a circle whose area is equal to the sum of the area of the two circle?
Maths
Nov. 7, 2019, 10:53 p.m.
Answer
Find the area under the curve y =sin2x cos2x,x-axis and for x=0 to x=π/4