Question

can I solve with any short trick​

Answer 1

Answer:

umm what are marks assigned to this ques

if 1 then direct by short trick

and if 3 or 5 then show how u do it

and best way is the way by which ur teacher says u to do

:)

Step-by-step explanation:

Answer 2

a is the correct option.

Step-by-step explanation:

R3-R2 and R2-R1

All the elements of R3 and R2 will become zero.

upon solving, you will get the answer.