Question

One root of the equation 2x^2 – x – 6 = 0 is [ ]
A) 1 B) −1/2 C) 2 D) 3/2​

Answer 1

Answer:

The given quadratic equation is

2x

2

+x−6=0

⇒2x

2

+4x−3x−6=0

⇒2x(x+2)−3(x+2)=0

⇒(2x−3)(x+2)=0

⇒x=−2,

2

3

Answer 2

Answer:

put options one by one and chk when LHS =RHS

AT 2 left hand side will be equal to right hand side