Mathematics
Assertion (A): Distance of (x² - 7x + 12) km is covered in (x² - 16) hrs. Speed = km/hr Reason (R): Speed = Distance x Time = (x² - 7x + 12)(x2 - 16) km/hr 1. A is true, but R is false. 2. A is false, but R is true. 3. Both A and R are true, and R is the correct reason for A. 4. Both A and R are true, and R is the incorrect reason for A.
Related Questions
Statement 1: The area of rectangle is x2 - 5x + 6 and the longer side of the rectangle is (x - 2).
Statement 2: x2 - 5x + 6
= (x - 2) (x - 3)
⇒ for every positive value of x(x > 3), (x - 2) is greater.
Both the statements are true.
Both the statements are false.
Statement 1 is true, and statement 2 is false.
Statement 1 is false, and statement 2 is true.
Factorise :
x2 + y2 + x + y + 2xy