Question

hlo gud mrng

here's new question

need step by step explaination​

Answer 1

Answer:

It has unique solutions except for k = 2 / 3.

Step-by-step explanation:

For unique solution ,

a1 / a2 ≠ b1 / b2

Now , a1 = –k , b1 = –10 , a2 = 1 and b2 = 15 .

Hence ,

=) ( –k ) / ( –10 ) ≠ ( 1 ) / ( 15)

=) k ≠ 2 / 3

Tips to Solve such questions ;

1 ) Learn the formulas and criterias for solving simultaneous equations

2 ) Understand the transposition of terms in inequations .

3 ) Apply and get the answer .