In a `DeltaXYZ, ` let x,y,z be the lengths of sides opposite to the angles `X, Y, Z` respectively and `2x=x+y+z.` If `(s-x)/(4) =(s-y)/(3)=(s-z)/(2)` and area of incircle of the `Delta XYZ` is `(8pi)/(3)` then

In a triangle XYZ, let x, y, z be the lengths of sides opposite to the angles X, Y, Z, respectively, and 2s = x + y + z. If (s-x)/4=(s-y)/3=(s-z)/2 of incircle of the triangle XYZ is (8pi)/3

In a triangle XYZ, let x, y, z be the lengths of sides opposite to the angles X, Y, Z, respectively, and 2s = x + y + z. If (s-x)/4=(s-y)/3=(s-z)/2 of incircle of the triangle XYZ is (8pi)/3

In a triangle /_\ XYZ, let a,b, c be the lengths o the sides opposite to the angle X,Y and Z respectively. If 1+cos2X-2cos2Y=2sinXsinY, then positive value (s) of a/b is (are

In a triangle DeltaXYZ , leta, bandc be the lengths of the sides opposite to the angles X, Y and Z respectively.lf 2 (a^2-b^2)=c^2 and lambda=sin (X-Y)/sin Z then possible values of n for which cos(n pi lambda)=0 is (are)

If s−x/4= s−y/3=s-z/2 and area of incircle of the triangle XYZ is 8(pi)/3 thenThe radius of the circumcircle of triangle XYZ

Find the angle between the plane: 2x-y+z=4\ a n d\ x+y+2z=3

Let x,y,z be the vector, such that |x|=|y|=|z| =sqrt(2) and x,y,z make angles of 60^(@) with each other. If x times (y times z) = a . The value of y is:

Verify that x3+y3+z3-3xyz=1/2(x+y+z)[(x-y)2+(y-z)2+(z-x)2]

Write down the terms of the expression: 8x^4y-7x^3y z+4/3x^2y z^2- 5 x y z . What is the coefficient of x^2 in the term 4/3x^2y z^2?

The line (x+6)/5=(y+10)/3=(z+14)/8 is the hypotenuse of an isosceles right-angled triangle whose opposite vertex is (7,2,4)dot Then which of the following is not the side of the triangle? a. (x-7)/2=(y-2)/(-3)=(z-4)/6 b. (x-7)/3=(y-2)/6=(z-4)/2 c. (x-7)/3=(y-2)/5=(z-4)/(-1) d. none of these