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प्रश्न
Find a single repeater machine that will do the same work as hook-up.
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उत्तर
Using law of exponents,
(am × an = am + n) ...[∵ a is non-zero integer]
Repeater machine can do the work is equal to 3y × 3y = 32y.
So, (× 32y) single machine can do the same work.
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