The_factor_of_safety_against_safety_is_given_by________equation.$

• A. F = HC / H
• B. F = ‚âà√¨‚àö√´f / ‚âà√¨‚àö√´ and F = tan ‚âà√¨‚àö√∫ / tan i
• C. None of the mentioned
• D. All of the mentioned