Question

Please let me know correct answer to this question ☺️​

Answer 1

Answer:

3

Step-by-step explanation:

let lambda be a

x+4y-7=0

=)-a=7-4 (5/2)

=)-a=7-10

=)-a=-3

=)a=3

Therefore , lambda is 3.

Hope it helps...

Answer 2

Answer:

3

Step-by-step explanation:

substitute the values..then evaluate further