Question

x+y=3 and 3x-2y=4 by determinant method , vale of D is​

Answer 1

Answer:

x + y = 3

x + y - 3 = 0

a = 1 , b = 1, c = -3

d = √b² - 4ac

d = √1 - (-12)

d = √1 + 12

d = √13

3x - 2y = 4

3x - 2y - 4 = 0

a = 3, b = -2, c = -4

d = √b² - 4ac

d = √(-2)² - 4(3)(-4)

d = √4 + 48

d = √52

d = √13 × 2 × 2

d = 2√13

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