[" (8) "16(2x-1)^(2)-25z^(2)],[" (0) "25(x-y)^(2)-4(x+4)^(2)]

Factorize each of the following expressions: x^(4)-625(2)x^(4)-149(a-b)^(2)-25(a+b)^(2) (4) x-y-x^(2)+y^(2)16(2x-1)^(2)-25y^(2)(6)4(xy+1)^(2)-9(x-1)^(2)

Simplify: 25(2x+y)^(2)-16(x-y)^(2)

Factorize: 16a^(2)-(25)/(4a^(2))( ii) 16a^(2)b-(b)/(16a^(2))100(x+y)^(2)-81(a+b)^(2)(x-1)^(2)-(x-2)^(2)

The equation of the ellipse having a vertex at (6,1) a focus at (4,1) and the eccentricity (3)/(5) is 1) ((x-1)^(2))/(16)+((y-1)^(2))/(25)=1 (2) ((x-1)^(2))/(25)+((y-1)^(2))/(16)=1 3) ((x+1)^(2))/(25)+((y+1)^(2))/(16)=1 (4) ((x+1)^(2))/(16)+((y+1)^(2))/(25)=1

Find the eccentricity of the ellipse (i) (x^(2))/(16)+(y^(2))/(9)=1 (ii) (x^(2))/(64)+(y^(2))/(36)=1 (iii)25x^(2)+4y^(2)=100

Fractorise: (3x-4y)^(2) - 25z ^(2)

Find GCD of 25x^(2) y^(2)z, 45x^(2) y^(4) z^(3) b

Locus of feet of perpendicular from (5,0) to the tangents of (x^(2))/(16)-(y^(2))/(9)=1 is (A)x^(2)+y^(2)=4(B)x^(2)+y^(2)=16(C)x^(2)+y^(2)=9(D)x^(2)+y^(2)=25

The equation of the sphere whose centre is (6, -1, 2) and which touches the plane 2x-y+2z-2=0 , is :a) x^(2)+y^(2)+z^(2)-12x+12y-4z-16=0 b) x^(2)+y^(2)+z^(2)-12x+2y-4z=0 c) x^(2)+y^(2)+z^(2)-12x+2y-4z+16=0 d) x^(2)+y^(2)+z^(2)-12x+2y-4z+6=0