The value of `(a+b)^2-(a-b)^2 is`

What is the value of {((a+b)^(2) - (a^(2) +b^(2)))/((a+b)^(2) - (a-b)^(2))}?

If a+b=7 and a b=12 , find the value of (a^2-a b+b^2)

If a+b=7 and a b=12 , find the value of (a^2-a b+b^2)

If y=f(x)=ax+b is a tangent to circle x^2+y^2+2x+2y-2=0 then the value of (a+b)^2 +2(a-b)(a+b+1) is equal to

If a ,b , in R such that a+b=1a n d(1-2a b0(a 63+b^3)=12 . The value of (a^2+b^2) is equal to____.

If (a-b)/(b)=(2)/(3) , what is the value of (a)/(b) ?

If a : b=2:5, . find the value of (3a+2b)/(4a+b)

If (a)/(b)=2, what is the value of (4b)/(a) ?

If a+b=7 and ab=12 find the value of a^(2)-ab+b^(2) .

If a,b , c are in AP, then, find the value of (a-c)^2/(b^2-ac)