please solve this question a. b
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Answer:
X to the power - 1
Step-by-step explanation:
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Answer:
(a) (4/121)⁻¹
(b) (4/121)⁻²
Step-by-step explanation:
using identity, a^m ÷ a^n = a^m-n
(2/11)¹²÷(2/11)¹⁰
(2/11)¹²⁻¹⁰
(2/11)²
x= (2/11)²
(a) x⁻¹
{(2/11)²}⁻¹
(4/121)⁻¹
(b) x⁻²
{(2/11)²}⁻²
(4/121)⁻²