Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Two men P & Q starts with velocities v at the smae time form the junction of two roads inclined at 45º to each other. If they travel by different roads, the rate at which they are being separated, is- - Sarthaks eConnect

Two men P & Q starts with velocities v at the smae time form the junction of two roads inclined at 45º to each other. If they travel by different roads, the rate at which they are being separated, is-

`vsqrt(2-sqrt2)`

`vsqrt(2+sqrt2)`

`sqrt2v`

None of these