Question

[-a^-5/-a^10b-9c^-7*(a^-15*c^0)]^2

Answer 1

[−a5−a5×b−9×c−7×a−15×c0 ]2= [11×b−9×c−7×a−15×1 ]2, we know a0=1= [b9×c7×a15]2, because 1a−1=a= b18×c14×a30 (answer)
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