[" 18.An error is also known as: "],[" A."o." Bug "],[" B.Debug "],[" C.O Cursor "],[" D.O Icon "],[" E."0" None of these "]

If A is non-diagonal involuntary matrix, then a. A-I=O b. A+I=O c. A-I is nonzero singular d. none of these

The number of real solutions of the equation e^(|x|)-|x|=0 , is A. o B. 1 c. 2 D. None of these.

A ball is projected as shown in figure. The ball will return to point: A. O B. left to point O C. right to point O D. none of these

If A is non-diagonal involuntary matrix, then A-I=O b. A+I=O c. A-I is nonzero singular d. none of these

If A is non-diagonal involuntary matrix, then A=I=O b. A+I=O c. A=I is nonzero singular d. none of these

If A B , B C a n d C D are equal chords of a circle with O as centre and A D diameter, then /_A O B= 60^0 (b) 90^0 (c) 120^0 (d) none of these

If vec A O+ vec O B= vec B O+ vec O C , then A ,B and C are (where O is the origin) a. coplanar b. collinear c. non-collinear d. none of these

If vec A O+ vec O B= vec B O+ vec O C , then A ,B and C are (where O is the origin) a. coplanar b. collinear c. non-collinear d. none of these

If A,B,A + I,A + B are idempotent matrics, then a)AB + BA = O b)AB = BA c)A + B = O d)None of these