Mathematics
Assertion (A): If x > y, x + y = 6 and x - y = 2 then x2 + y2 = 40
Reason (R): (x + y)2 + (x - y)2 = 2(x2 + y2)
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.
Related Questions
Assertion (A): 53 - 33 - 23 = 3 x 5 x -3 x -2
Reason (R): ∵ 5 - 3 - 2 = 0
⇒ 53 - 33 - 23 = 53 + (-3)3 + (-2)3
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.
Simplify (x + 6)(x + 4)(x - 2)