Question

5. Find the least number which must be added to 623 to obtain a perfect square find this perfect square and its square root.answer me fast please ​

Answer 1

Answer:

Required Answer:-

• Firstly the nearest square number to 623

${:}\longrightarrow\sf 625$

${:}\longrightarrow\sf 625=25^2$

• Now difference

${:}\longrightarrow\sf 625-623$

${:}\longrightarrow\sf 2$

$\therefore$2 is the least number which must be added to 623 to make a perfect square

Extra information:-

Some squares

$\boxed {\begin{array}{c|c} 1 & 1 \\ 2 & 4 \\ 3 & 9 \\ 4 & 16 \\ 5 & 25 \\ 6 & 36 \\ 7 & 49 \\ 8 & 64 \\ 9 & 81 \\ 10 & 100 \\ 11 & 121 \\ 12 & 144 \\ 13 & 169 \\ 14 & 196 \\ 15 & 225 \\ 16 & 256 \\ 17 & 289 \\ 18 & 324 \\ 19 & 361 \\ 20 & 400 \\ 21 & 441 \\ 22 & 484 \\ 23 & 529 \\ 24 & 576 \\ 25 & 625 \end{array}}$