Find the degree of the following polynomials
`2/3 xyz^3+ 3/5 x^2 y^2 z^2 +1/2 x^3 y-y^4 z`

Find the degree of the following polynomials 3xyz^4+2x^2y^2+4y^3z^2

Find the degrees of the following polynomials -xz^3+7x^3-5y^3+3z^3+1

Multiply each of the monomial : 3/4x^2y z^2,\ 0. 5 x y^2z^2,\ 1. 16 x^2y z^3,\ 2x y z

Find each of the following products: (i) (-5x y)xx(-3x^2y z) (ii) 1/2x y\ xx2/3x^2y z^2

Find the angle between the following pairs of line: (x-2)/3=(y+3)/(-2)=z=5a n d(x+1)/1=(2y-3)/3=(z-5)/2

Add the following: (i) x – 3y – 2z , 5x + 7y – 8z , 3x – 2y + 5z

If A = [(5, -1, 4), (2, 3, 5), (5, -2, 6)] , find A^(-1) and use it to solve the following system of equation 5x - y + 4z = 5, 2x + 3y +5z = 2, 5x - 2y + 6z =-1

If A=[(1,2,-3),(2,3,2),(3,-3,-4)] then find A^-1 and hence solve the follwoing equations: x+2y-3z=4, 2x+3y+2z=2 and 3x-3y-4z=11

If x=1,\ y=-2\ a n d\ z=3, find the values of each of the following algebraic expressions: (i) x^3+y^3+z^3-3x y z (ii) 3x y^4-15 x^2y+4z

Find the angle between the planes 3x+y+2z=1 and 2x-y+z+3 = 0 .