1. If a+1 /a =-11, . find the value of a + 1/a²
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Answer:
a
Step-by-step explanation:
a+1/a = -11
square em
(a+1/a)^2 = 121
a^2 + 2a*1/a + 1/a^2 =121. (a is cancelled)
a^2 + 2 + 1/a^2 = 121
a^2 + 1/a^2 = 121 - 2
a^2 + 1/a^2 = 121
Hope it helps