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Question
An n x a array v is defined as follows : v [i,j] = i.j for all i. j 1 < = i < = n ,i < j =n.
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ANSWER : 1
Descrption
<p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 8pt;"><span style = "font - size: 13pt; font - family: Arial; color: #40424e; background - color: #ffffff; font - weight: 400; font - style: normal; font - variant: normal; text - decoration: none; vertical - align: baseline; white - space: pre - wrap;">প্রশ্নটি অত্যন্ত সময়সাপেক্ষ। তাই বহু নির্বাচনী (MCQ) পরীক্ষায় প্রশ্ন টি আসলে তা এড়িয়ে যাওয়াই উত্তম হবে।</span></p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 8pt;"><span style = "font - size: 13pt; font - family: Arial; color: #40424e; background - color: #ffffff; font - weight: 400; font - style: normal; font - variant: normal; text - decoration: none; vertical - align: baseline; white - space: pre - wrap;"><span id = "docs - internal - guid - 76298e7e - 7fff - 2fb3 - 1c1b - 2d2f1934ee74"><span style = "font - size: 13pt; font - variant - numeric: normal; font - variant - east - asian: normal; vertical - align: baseline;">i এবং j এর শর্তানুসারে সম্ভাব্য সকল মান নিজের টেবিলে দেওয়া হলঃ</span></span></span></p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 8pt;"><span style = "font - size: 13pt; font - family: Arial; color: #40424e; background - color: #ffffff; font - weight: 400; font - style: normal; font - variant: normal; text - decoration: none; vertical - align: baseline; white - space: pre - wrap;"><span style = "border: none; display: inline - block; overflow: hidden; width: 633px; height: 399px;"><img style = "margin - left: 0px; margin - top: 0px;" src = "https://lh4.googleusercontent.com/Fg1wbWqpy_8W2xmo3nTJwKZUhqijtBrArj4vPzzeEyIht5aa8DGYCHm4fmEQJIN9YF - xf__A1VjcnndcpX56ADWYMJMNgprqsoIsQoaStYBUjh8mG7sJd2_3ofi1DyukKXcoVvs" width = "633" height = "399" /></span></span></p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 0pt;"> </p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 0pt;"><span style = "font - size: 13pt; font - family: Arial; color: #000000; background - color: transparent; font - weight: 400; font - style: normal; font - variant: normal; text - decoration: none; vertical - align: baseline; white - space: pre - wrap;">Now, we take the sum of the first row and first column, which comes out to be zero.</span></p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 0pt;"> </p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 0pt;"><span style = "font - size: 13pt; font - family: Arial; color: #000000; background - color: transparent; font - weight: 400; font - style: normal; font - variant: normal; text - decoration: none; vertical - align: baseline; white - space: pre - wrap;">Similarly, we take the sum of second row and second column, third row and third column, and so on, and it is found that all have a sum equal to zero.</span></p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 0pt;"> </p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 0pt;"><span style = "font - size: 13pt; font - family: Arial; color: #000000; background - color: transparent; font - weight: 400; font - style: normal; font - variant: normal; text - decoration: none; vertical - align: baseline; white - space: pre - wrap;">So, the sum of all the elements in the matrix is zero.</span></p> <p dir = "ltr" style = "line - height: 1.38; margin - top: 0pt; margin - bottom: 0pt;"><span style = "font - size: 13pt; font - family: Arial; color: #000000; background - color: transparent; font - weight: 400; font - style: normal; font - variant: normal; text - decoration: none; vertical - align: baseline; white - space: pre - wrap;">উত্তরঃ শুন্য</span></p>
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