(a) Show that: a (b) derive the slow roll parameter 1 € 16TG using the fact that: 1 Н = dt H H² and 8 H² ² = TGV (4) (no

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(a) Show that: a (b) derive the slow roll parameter 1 € 16TG using the fact that: 1 Н = dt H H² and 8 H² ² = TGV (4) (note: Alternatively you can use the results of 3a, the slow roll approximation, and the second Friedmann equation to derive the slow roll parameter €. where the second Friedmann equation is: -4TG -(p+3P) a 3 However, this answer differs by a factor of 3/2 from the correct answer.) (c) Show that inflation only happens for € < 1. :8 | 8 ä :818 ä = H + H² = dV/do V(0) 2