Correct Answer: Option C

Explanation

x² + 2(m + 1)x + m + 3 from (A + B)² = a² + 2AB + b²

2B = \(\frac{2(m + 1)}{2}\) = m + 1 .......(i)

Also B² = m + 3..........(ii)

Subst. for B in equation ..........(iii)

= (m + 1)² = m + 3 = m² + 2m + 1 = m + 3

= m² + 2m - m + 1 - 3 = 0

m² + m - 2 = 0

(m + 2)(m - 1) = 0 or m - 1 = 0

m = -2 or 1

• professor John is the leader of the ________ committee to review the new book? Answer this

  1 Answers   ·   English Language   ·   3 months ago
• His contract was ---- because of irregularities in his contract You picked annulled over terminated and I want to know... Answer this

  1 Answers   ·   English Language   ·   2 months ago
• whats is the difference between phrase and clause? Answer this

  2 Answers   ·   English Language   ·   3 days ago