The correct option is E None of theseHere, (?)^2 × (12)62 ÷ (48)^2 = 81 It can also be written as (?)^2 × (12/48)^2 = 81 ⇒ (?)^2 = 81 × 16 ⇒ ? = √(81 × 16)⇒ = ...

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Byju's Answer

Standard VII

Mathematics

Power Law

?2×122÷482=81

Question

$(?)^{2} \times (12)^{2} \div (48)^{2} = 81$

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Solution

The correct option is E None of these
$H e r e, (?)^{2} \times (12) 62 \div (48)^{2} = 81$
It can also be written as
$(?)^{2} \times (\frac{12}{48})^{2} = 81 \Rightarrow (?)^{2} = 81 \times 16 \Rightarrow ? = \sqrt{81 \times 16} \Rightarrow= 9 \times 4 = 36$

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(?)2×(12)2÷(48)2=81

The correct option is E None of theseHere,(?)2×(12)62÷(48)2=81 It can also be written as (?)2×(1248)2=81⇒(?)2=81×16⇒?=√81×16⇒=9×4=36

$(?)^{2} \times (12)^{2} \div (48)^{2} = 81$

The correct option is E None of these
$H e r e, (?)^{2} \times (12) 62 \div (48)^{2} = 81$
It can also be written as
$(?)^{2} \times (\frac{12}{48})^{2} = 81 \Rightarrow (?)^{2} = 81 \times 16 \Rightarrow ? = \sqrt{81 \times 16} \Rightarrow= 9 \times 4 = 36$