determine the value of x in (2/3)3 × (2/3)-6=(2/3)2x-1
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17
Answer:
-1
Step-by-step explanation:
(2/3)³ × (2/3)⁻⁶=(2/3)²ˣ⁻¹
⇒ (2/3)³⁺⁽⁻⁶⁾ = (2/3)²ˣ⁻¹ - [ As xᵃ * xᵇ = xᵃ⁺ᵇ]
⇒ (2/3)⁻³ = (2/3)²ˣ⁻¹
⇒ -3 = 2x-1 - [As, if xᵃ = xᵇ ⇒ a=b]
⇒ x = -1.
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5
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answer -1
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