Question

write the conjugate surd of√8-3​

Answer 1

Step-by-step explanation:

(√8-3)(√8+3) = √8×√8 + √8×3 -3×√8 -3+3

= 8+ 3√8 -3√8 - 9

= 8-9

= -1

Hence, -1 is a rational number

Hence, √8+3 is the conjugate of √8-3

Answer 2

Answer:

-0.18

Step-by-step explanation:

✓8-3

2✓2-3

2*1.41-3 (✓2=1.41)

2.82-3=-0.18