X-Y =2 এবং XY =24 হলে X এর মান কত?
X-Y =2 এবং XY =24 হলে X এর মান কত? Correct Answer 6
(x+y)2 = (x-y)2+4xy = 22+4×24 (x+y)2 = 100 So, x+y = 10 x-y = 2(Doing Addition), we get, 2x = 12 or, x = 6 (Ans)X-Y =2 এবং XY =24 হলে X এর মান কত? Correct Answer 6
(x+y)2 = (x-y)2+4xy = 22+4×24 (x+y)2 = 100 So, x+y = 10 x-y = 2(Doing Addition), we get, 2x = 12 or, x = 6 (Ans)