RS<span> ≅ </span><span>ST is the correct answer</span>
Answer:
A
Step-by-step explanation I counted the numbers.
Step-by-step explanation:
k‒3>‒2=k>‒2+3
=k>1
so there is not the answer here
Can you resubmit your question so that I can give you a reasonable answer
Answer:
31
Step-by-step explanation:
Given
x² + 5x - 3 = 0
with a = 1, b = 5, c= - 3 , then
sum of roots x₁ + x₂ = -
= -
= - 5
product of roots =
=
= - 3
Now
(x₁ + x₂)² = x₁² + 2x₁x₂ + x₂² , that is
(- 5)² = x₁² + 2(- 3) + x₂²
25 = x₁² - 6 + x₂² ( add 6 to both sides ), then
x₁² + x₂² = 31