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Given,
⇒ (81)0.13 × (81)0.12
Simplifying the expression:
⇒ (81)(0.13 + 0.12)
⇒ (81)0.25
⇒ [(3)4]0.25
⇒ 34 × 0.25
⇒ 31
⇒ 3.
Hence, option 2 is the correct option.
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If 3x = 3-x, then (1.2)x =
0
1
1.2
1.44