Question

what will be the value of x and y

Answer 1

Ans.

Using the given determinant, we get
3x - 4y = 10 .....(i)

Now, gcd (3, 4) = 1.

We have
4 = 3.(1) + 1
or, 1 = 4.(1) - 3.(1)
or, 3.(-1) + 4.(1) = 1
or, 3.(-10) + 4.(10) = 10 .....(ii)

Here (i) and (ii) are identical.
So, x = -10 and y = 10.

*** I HOPE THAT THIS HELPS YOU ***