a. On the same axes, sketch the graphs of b. Write down the number of roots of
Question:
a. On the same axes, sketch the graphs of
b. Write down the number of roots of the equation 1/x = x + 3.
c. Show that the positive root of the equation1/x = x + 3 lies in the interval (0.30, 0.31).
d. Show that the equation 1/x = x + 3 may be written in the form x2 + 3x − 1 = 0.
e. Use the quadratic formula to find the positive root of the equation x2 + 3x − 1 = 0 to 3 decimal places.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
Question Posted: