Question

in a company Cash balance on 1st March 2019 is rs 7000 total estimate payment are rs 45000 and closing cash on 30th March rs 18000 then estimated receipts during month amounted to....​

Answer 1

Answer:

Explanation:

Correct option is

A

k=2

The equations are

3x+4y−k=0

9x+12y−6=0

Here, a  

1

​  

=3,b  

1

​  

=4,c  

1

​  

=−k

and a  

2

​  

=9,b  

2

​  

=12,c  

2

​  

=−6

For the system to have infinite solution if

a  

2

​  

 

a  

1

​  

 

​  

=  

b  

2

​  

 

b  

1

​  

 

​  

=  

c  

2

​  

 

c  

1

​  

 

​  

 

⇒  

9

3

​  

=  

12

4

​  

=  

−6

−k

​  

 

⇒3k=6

⇒k=2

Answer 2

Answer:

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