What is mean by Extra key inserted at the end of Array?

What is mean by Extra key inserted at the end of Array?
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It means the array has a sentinel to mark the end of the array.Any elements that follow the sentinel element are deemed invalid.Sentinels are usually denoted with a special value that is not usedby any of the elements that precede it. Null-terminated strings arean example, where the NULL character (ASCII code 0) marks the endof a character array.
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What is mean by Extra key inserted at the end of Array?

Description : What is mean by Extra key inserted at the end of Array?

Last Answer : It means the array has a sentinel to mark the end of the array.Any elements that follow the sentinel element are deemed invalid.Sentinels are usually denoted with a special value that is not usedby ... strings arean example, where the NULL character (ASCII code 0) marks the endof a character array.

If an unique key constraint on DATE column is created, will it validate the rows that are inserted with SYSDATE ?

Description : If an unique key constraint on DATE column is created, will it validate the rows that are inserted with SYSDATE ?

Last Answer : It won't, Because SYSDATE format contains time attached with it.

Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. (1) small current carrying wire (2) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution

Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution

Last Answer : (3) optical fibre Explanation: An endoscope can consist of a rigid or flexible tube and a light delivery system to illuminate the organ or object under inspection. The light source is normally outside the ... in the case of rigid endoscopes or a bundle of fiber optics in the case of a fiberscope.

Soft Pages breaks __________: a) are induced by the user b) are inserted by word automatically at the end of the page c) can be deleted d) are the one to show end of paragraph e) None of The Above

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Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. (1) small current carrying wire (2) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution

Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution 

Last Answer : optical fibre

Where is the best place to hide that "extra key"?

Description : Where is the best place to hide that "extra key"?

Last Answer : If I tell you, it won’t be a secret hiding place anymore.

9. (i) If \( A =\left[\begin{array}{rr}2 & -1 \\ -1 & 2\end{array}\right] \), verify \( A ^{2}-4 A +3 I = O \), where \( I =\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right] \) and \( O =\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right] . \) Hence find \( A ^{-1} \)(W. Bengal B. 2016 )

Description : 9. (i) If \( A =\left[\begin{array}{rr}2 & -1 \\ -1 & 2\end{array}\right] \), verify \( A ^{2}-4 A +3 I = O \), where \( I =\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right] \) and \( O =\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right] . \) Hence find \( A ^{-1} \)(W. Bengal B. 2016 )

Last Answer : 9. (i) If \( A =\left[\begin{array}{rr}2 & -1 \\ -1 & 2\end{array}\right] \), verify \( A ^{2}-4 ... \) Hence find \( A ^{-1} \) (W. Bengal B. 2016 )

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Description : 12. \( (x+y+z) \) is a factor of :\[\left|\begin{array}{ccc}x-y-z & 2 x & 2 x \\2 y & y-z-x & 2 y \\2 z & 2 z & z-x-y\end{array}\right|\]

Last Answer : 12. \( (x+y+z) \) is a factor of : \[ \left|\begin{array}{ccc} x-y-z & 2 x & 2 x \\ 2 y & y-z-x & 2 y \\ 2 z & 2 z & z-x-y \end{array}\right| \]

(ii) \( \left( A ^{-1}\right)^{-1}= A \).22. Verify : \( A(\operatorname{adj} \cdot A)=(\operatorname{adj} \cdot A) A=|A| I \) when(i) \( A=\left[\begin{array}{rrr}1 & -2 & 2 \\ 2 & 3 & 5 \\ -2 & 0 & 1\end{array}\right] \)

Description : (ii) \( \left( A ^{-1}\right)^{-1}= A \).22. Verify : \( A(\operatorname{adj} \cdot A)=(\operatorname{adj} \cdot A) A=|A| I \) when(i) \( A=\left[\begin{array}{rrr}1 & -2 & 2 \\ 2 & 3 & 5 \\ -2 & 0 & 1\end{array}\right] \)

Last Answer : (ii) \( \left( A ^{-1}\right)^{-1}= A \). 22. Verify : \( A(\operatorname{adj} \cdot A)=(\operatorname{ ... 3 & 5 \\ -2 & 0 & 1\end{array}\right] \)

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