Which among the following is the correct value of `(x+a)(x+b)` a) `x^2+a b x+a b` (b) `x^2-(a+b)x+a b` (c) `x^2+(a+b)x+a b` (d) `x^2+(a-b)x+a b`

Find the value of (x + a)/( x - a) + ( x + b)/( x - b) , if x = (2ab)/( a + b)

Find the value of ( x + a)/( x - a) + ( x + b)/( x - b) , if x = (2ab)/( a + b)

(x + a) (x + b) = x^(2) + (a + b)x + ________.

If the origin is shifted to the point ((a b)/(a-b),0) without rotation, then the equation (a-b)(x^2+y^2)-2a b x=0 becomes (A)(a-b)(x^2+y^2)-(a+b)x y+a b x=a^2 (B)(a+b)(x^2+y^2)=2a b (C)(x^2+y^2)=(a^2+b^2) (D)(a-b)^2(x^2+y^2)=a^2b^2

If =|-x a bb-x a a b-x| , then a factor is a+b+x x^2-(a-b)+x+a^2+b^2+a b x^2-(a+b)+x+a^2+b^2-a b a+b-x

If x=(4ab)/(a+b) , then the value of (x+2a)/(x-2a)+(x+2b)/(x-2b) is