Question

Ques 7: In a magic square each row, column and diagonal have the same sum. Check which of
the following is a magic square.
for the following values of a and b.​

Answer 1

Answer:

STEP BY STEP EXPLANATION

Solution :

In the first square,

If we check the sum of each row and each column in the first square, it comes 0

.

However, if we check the sum of numbers on diagonals, it comes 0 and −6.

As one of the diagonal have different sum than the sum of rows and columns, this is not a magic square.

In the second square,

If we check the sum of each row and each column in the second square, it comes −9.

If we check the sum of numbers on diagonals, it comes −9 and −9.

As the sum of each row, column and diagonal have the same sum, this is a magic square.

Step-by-step explanation: