"Fourth proportional to`(a^2-b^2\ ),\ (a^2-a b),\ (a^3+b^3)`is`(a-b)`b. `a^4+b^4`c. `a(a^2-a b+b^2)`
Channel: Doubtnut
Date: 2020-04-12

"Fourth proportional to`(a^2-b^2\ ),\ (a^2-a b),\ (a^3+b^3)`is`(a-b)`b. `a^4+b^4`c. `a(a^2-a b+b^2)`d. `a^3-a^2b^2+b^2`"