CAT QA TITA numerical 131: If the roots of z²−30z+216=0 are r and s, enter r+s.
Correct Answer: 30
Explanation:
Vieta gives r+s=30.
Practice India questions with answers and explanations.
Vieta gives r+s=30.
344
Area=½×5×15=37.5.
27
7×9=63.
Vieta gives r+s=21.
63
Area=½×10×6=30.0.
66
12×17=204.
6
Area=½×13×8=52.0.