Question

if 2/x + 3/4 = 1 then find value of x​

Answer 1

Answer:

∣

3

x

x

1

∣

∣

∣

∣

∣

∣

=

∣

∣

∣

∣

∣

∣

3

4

2

1

∣

∣

∣

∣

∣

∣

On solving given determinant, we get

3×1−x×x=3×1−4×2

⇒3−x

2

=3−8

⇒x

2

=8

⇒x=+

8

,−

8

⇒x=+2

2

,−2

2