Question

(x^4-y^4)/x-y

Answer 1

ever heard of the third binomial formula?

Answer 2

(x^2 - y^2) (x^2 + y^2) / (x - y )
(x - y ) (x + y ) (x^2 + y^2) / (x - y )
(x + y ) (x^2 + y^2)

Answer 3

got it?

Answer 4

oh ok yaa a got that

Answer 5

fan me pls thanx

Answer 6

the circle C has eqn (x-3)^2+(y-4)^2=25 and the eqn of tangent at the point (6,8) is y=4/3 x ......calculate the co-ordinates of the point of intersection of C with the straight line y=2x+3