a-1a=4 হলে, a3-1a3 এর মান--
a-1a=4 হলে, a3-1a3 এর মান-- Correct Answer 76
a³ - (1/a)³ = {a - (1/a)}³ + 3.a.(1/a){a - (1/a)} = 4³ + 3×4 = 64 + 12 = 76a-1a=4 হলে, a3-1a3 এর মান-- Correct Answer 76
a³ - (1/a)³ = {a - (1/a)}³ + 3.a.(1/a){a - (1/a)} = 4³ + 3×4 = 64 + 12 = 76