Question

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Answer 1

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Answer 2

Answer:

6 p²

Step-by-step explanation:

=> (72p⁴q²r²) / (12p²q²r²)

=> (72/ 12) × (p⁴/ p²) × (q²/ q²) × (r²/ r²)

=> 6 × p⁽⁴⁻²⁾ × q⁽²⁻²⁾ × r⁽²⁻²⁾

=> 6 × p² × q⁰ × r⁰

=> 6 × p² × 1 × 1 .  .  .  .  .(∵ p⁰ = 1)

=> 6p² (Ans

TIPS USED HERE :

• $x^{m} / x^{n} = x^{m - n}$

On dividing two variables having different powers but same base the result obtained has the same base as earlier and its power is obtained by subtracting the power of denominator by power of numerator .

• power 0 raised to any base is always equal to 1.

x⁰ = 1