निम्नलिखित में समान पदों को छांटिएः
(a) `-xy^(2),-4yx^(2),8x^(2),2xy^(2),7y,-11x^(2),-100x,-11yx,20x^(2)y,-6x^(2),y,2xy,3x`
(b) `10pq,7p,8q,-p^(2)q^(2),-7qp,-100q,-23,12q^(2)p^(2),-5p^(2),41,2405p,78qp,13p^(2)q,qp^(2),701p^(2)`

Answer

(a) `-xy^(2),2xy^(2)-4yx^(2),20x^(2)y,8x^(2),-11x^(2),-6x^(2);7y,y;-100x,3x;-11yx,2xy`.
(b) `10pq,-7qp,78qp;7p;2405p;8q-100q;-p^(2)q^(2),12q^(2)p^(2);41;-5p^(2),701p^(2);13p^(2)q,qp^(2)`