Solve this

Solve this Tho discriminant of the quadratic equation E C) 64 B) 36 D) too length of a rectangle IS 5 more itR If it; area then its eqLmian A) X * 5) -60=0 If and = tana thon C) 64 8k =geae 36 D) 100 = tano e, 150 gia g, An 150 tall at the lip 01 his Shadow Which ig 150-fcm hlg The anglg dig A) A point p is located on a 'ine segment AB such that BP —AB Line segment Ad should be divided in the ratio 10. 11 page No. 4 12. 12, a triangle then its perimeter is B) units

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.
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