Question

if for an ap t1=-3 t2=4 then what is the of d?​

Answer 1

Step-by-step explanation:

Apply R

3

−R

2

,R

2

−R

1

t

5

−t

3

=t

4

−t

2

=2d

D =

∣

∣

∣

∣

∣

∣

∣

∣

t

2

t

3

t

3

(2d)

t

4

(2d)

t

2

d

d

t

1

d

2d

∣

∣

∣

∣

∣

∣

∣

∣

= d

2

∣

∣

∣

∣

∣

∣

∣

∣

t

2

t

3

2t

3

2t

4

t

2

1

1

t

1

1

1

∣

∣

∣

∣

∣

∣

∣

∣

Apply R

3

−R

2

= d

2

∣

∣

∣

∣

∣

∣

∣

∣

t

2

t

3

2t

3

2d

t

2

1

0

t

1

1

0

∣

∣

∣

∣

∣

∣

∣

∣

= d

2

.2d(t

2

−t

1

)

= 2d

4