Find the value of (dr)/dt at t=0 if r=(theta^2 +7)^(1/3) and theta^2t + theta =1?
So far, I have
(dr)/(d theta) = 1/3(theta^2+7)^(-2/3) * 2theta
and
(d theta)/dt = (2thetat + 1) / -theta^2
I tried to multiply them together, but that doesn't get me anywhere.
So far, I have
and
I tried to multiply them together, but that doesn't get me anywhere.
1 Answer
Jan 17, 2018
Explanation:
You're definitely on the right track!
As you pointed out, we start with chain rule:
You calculated these values correctly.
At
Hence,