Question

For equations 5x + 3y + 11 = 0 and 2x + 4y = −10 find D.

विकल्प

• 14

• − 14

• 26

• − 26

Answer 1

14

Explanation:

Here, a₁ = 5, b₁ = 3

a₂ = 2, b₂ = 4

∴ D = `|(a_1, b_1),(a_2, b_2)| = |(5, 3),(2, 4)|`

= 20 − 6

= 14