1.

-4*a^2*b^2 %2B (-4*c^2 %2B a^2 %2B b^2)^2

Answer»

(a^2 + b^2 - 4c^2)^2 - 4a^2b^2

[using a^2 - b^2 = (a + b)(a - b)]

= (a^2 + b^2 - 4c^2 + 2ab)(a^2 + b^2 - 4c^2 - 2ab)

= [(a + b)^2 - 4c^2][(a - b)^2 - 4c^2]

= (a + b + 2c)(a + b - 2c)(a - b + 2c)(a - b - 2c)


Discussion

No Comment Found

Related InterviewSolutions