गुणनखंड कीजिएः
(i) `a^(4)-b^(4)` (ii) `p^(4)-81` (iii) `x^(4)-(y+z)^(4)`

Answer

(i) `(a-b)(a+b)(a^(2)+b^(2))` (ii) `(p-3)(p+3)(p^(2)+9)`
(iii) `(x-y-z)(x+y+z)[x^(2)+(y+z)^(2)]` (iv) `z(2x-z)(2x^(2)-2xz+z^(2))`
(v) `(a-b)^(2)(a+b)^(2)`