Question

An expression is given 2(√k-1)+√8

Answer 1

Step-by-step explanation:

2×√k -2 +√8

2×√k -2 + √4×2

2×√k -2 +2×√2

2 will get cancel as of plus and minus

so,

2√k×√2 is answer

Answer 2

Step-by-step explanation:

answer is k = 18 .

correct option is c