Mathematics
Assertion (A) : For quadratic equation 2x2 + 6x + 3 = 0, roots are real and equal.
Reason (R) : If for a quadratic equation ax2 + bx + c = 0, where a, b and c ∈ R and a = 0, then if discriminant > 0 and perfect square, implies roots of the quadratic equation are real, distinct and rational.
A is true, R is false.
A is false, R is true.
Both A and R are true.
Both A and R are false.
Related Questions
Assertion (A) : If x is a real number then (x - 2)2 > 4 ⇒ x > 4.
Reason (R) : x2 > 4 ⇒ 2 < x < -2.
A is true, R is false.
A is false, R is true.
Both A and R are true.
Both A and R are false.
Assertion (A) : Solution set of -6x < -40, x ∈ W is {6, 7, 8, 9, …..}.
Reason (R) : If each term of an in-equation be multiplied or divided by the same negative number, the sign of inequality reverses.
A is true, R is false.
A is false, R is true.
Both A and R are true.
Both A and R are false.