The sum of `(a)/(a^(2)-b^(2)) and (b)/(a^(2)-b^(2))` is

find the sum of 2a(a^(2)+b^(2)),2b^(2)(b-a) and 12b(a^(2)-b^(2))

For all a and b, what is the sum of (a-b) ^(2) and (a +b) ^(2) ?

Simplify ((a^(2)+b^(2))/(a^(2)-b^(2))-(a^(2)-b^(2))/(a^(2)+b^(2)))/((a+b)/(a-b)-(a-b)/(a+b))

sum (b^(2) -c^(2))/( a^(2)) sin ^(2) A =

If |a|<1 and |b|<1, then the sum of the series a(a+b)+a^(2)(a^(2)+b^(2))+a^(3)(a^(3)+b^(3))+......oo is

Sum of the factors of 4 b ^(2) c ^(2) - (b ^(2) + c ^(2)- a ^(2)) ^(2) is

The sum of roots of equation (1)/(x+a)+(1)/(x+b)=(1)/(c) is zero find the product of roots of equation a)0b ) ((a+b)/(2))c)-((a^(2)+b^(2))/(2))d(a^(2)+b^(2))