Discuss Forum

1. -8×-2

  • A. 4
  • B. 4
  • C. 4
  • D. 4

Answer: Option C

Explanation:

√(-8) × √(-2)

{√(-1)×√8}×{√(-1)×√2}

(i×√8)×(i×√2)

i×√8×i×√2

(i^2)×√8×√2

{(√-1)^2}×2√2×√2

-1×4

-4

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.