C-03-Q040mediumsingle_mcq(a+b)4−(a−b)4=?(a+b)^4 - (a-b)^4 = ?(a+b)4−(a−b)4=?a8ab(a2+b2)8ab(a^2+b^2)8ab(a2+b2)b4ab(ব্যাখ্যাUsing p2−q2=(p+q)(p−q)p^2-q^2=(p+q)(p-q)p2−q2=(p+q)(p− with : the sum is and the difference is , so the product is .