a-b = 2 এবং ab = 24 হলে a2-b2=?
a-b = 2 এবং ab = 24 হলে a2-b2=? Correct Answer 20
এখানে, a- b =2, ab = 24 (a+b)^2 = (a-b)^2 +4ab = 4+96 (a+b) = 10 a^2-b^2 =(a+b) (a-b) =10.2 =20a-b = 2 এবং ab = 24 হলে a2-b2=? Correct Answer 20
এখানে, a- b =2, ab = 24 (a+b)^2 = (a-b)^2 +4ab = 4+96 (a+b) = 10 a^2-b^2 =(a+b) (a-b) =10.2 =20