Find the partial derivative of the following function `Z=(5x^2-4y)(2x+7y^2)`

Find the derivatives of the following (1-3) functions : y=x^(2)

Find the derivatives of the following (1-3) functions : y=5/2x^(7)

find the derivatives of the following functions : (a) y =cos ax, (b) y=5x^(2)-2x

Find each of the following products: (i) (4x - 7y) (4x - 7y) (ii) (3x^(2) - 4y^(2)) (3x^(2) - 4y^(2))

Find the values of a so that the following lines (x-1)/(2)=(y-2)/(3)=(z-a)/(4) and (x-4)/(5)=(y-1)/(2)=z

Find the angle between the following pairs of line: (-x+2)/(-2)=(y-1)/7=(z+3)/(-3)a n d(x+2)/(-1)=(2y-8)/4=(z-5)/4

find the values of x,y and zfrom the following equations : (i) [{:(4,3),(x,5):}]=[{:(y,z),(1,5):}] (ii) [{:(x+y,2),(5+z,xy):}]=[{:(6,2),(5,8):}] (iii) [{:(x+y+z),(x+z),(y+z):}]=[{:(9),(5),(7):}]

Find the values of x, y and z from the following equations: (i) [4 3x5]=[y z1 5] (ii) [x+y3 5+z x y]=[6 2 5 8] (iii) [x+y+z x+z y+z]=[9 5 7]

Find the parametric equations of that circles : 2x^2 + 2y^2 - 5x - 7y-3=0

Find the equation of the circle which intersects thecircles x^(2)+y^(2)+x+2y+3=0,x^(2)+y^(2)+2x+4y+5=0, and x^(2)+y^(2)-7y-8y-9 at right angle.