[" 7.For the curve "xy" the subnormal at any point varies as "],[" (2) A) "x^(2)],[" (B) "x^(3)],[" () "y^(2)],[" D) "y^(3)]

For the curve xy=c^(2) the subnormal at any point varies as

For the curve xy=c^(2) the subnormal at any point varies as

[ 24.The length of sub-normal to the curve xy=a^(2) at (x,y) on it varies as [ 1) x^(2), 2) y^(2), 3) x^(3), 4) y^(3)]]

The length of the subnormal at any point(x,y) on the curve y^(2) = 4ax is

The subnormal to the curve xy=c^2 at any point vaires directly as

the length of the subnormal to the curve y^2=4ax at any point is

The subnormal of the curve y=a^x at any point on the varies directly as

The length of the subnormal to the curve y^2=x^3 at (4, 8) is

[" 2.If two positive integers "a" and "b" are written as "a=x^(3)y^(2)" and "b=xy^(3);x,y" are prime "],[[" numbers,then "HCF(a,b)" is "," (c) "x^(3)y^(3)],[" (a) "xy," (b) "xy^(2)," (d) "x^(2)y^(2)]]

[ Length of the normal to the curve at any point on the curve y=(a(e^(x/a)+e^(-x/a)))/(2) varies as [ 1) x, 2) x^(2), 3) y , 4) y^(2)]]