Solve this
Sol 7. D = b2 - 4ac
= (10)2 - 4 * (3root3 ) * root 3 ( * means multiply )
= ( 100 ) - 4 *3 *3
= 100 - 36
= 64
Therefore, option C is correct answer.
= (10)2 - 4 * (3root3 ) * root 3 ( * means multiply )
= ( 100 ) - 4 *3 *3
= 100 - 36
= 64
Therefore, option C is correct answer.