how to solve (2a-³ b²) ³ by using indices
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Answer:
Step-by-step explanation: From the law of indices; (ab)ⁿ=(a × b)ⁿ=aⁿ × bⁿ
⇒(2a-³ b²) ³ =(2a⁻³)³ × (b²)³
= (2)³ × (a⁻³)³ × (b²)³ from the (yⁿ)ᵃ = y⁽ⁿ ˣ ᵃ⁾ = yⁿᵃ and a⁻ⁿ=1/aⁿ
= 2³ × a⁻⁹ ₓ b⁻⁶
= 8 × 1/a⁹ × 1/b⁶
= (8)/(a⁹ × b⁶)
= (8)/(a⁹b⁶)
Answered by
2
Answer:
8a^-9 X b⁶
Step-by-step explanation:
Answer given in attachment
hope it helps
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