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Write short note on multistage amplifier. If the voltage or power gain obtained from the single stage small amplifier is not sufficient for practical application, then we have to use more than one stage of amplification to achieve necessary power or voltage gain. Such an amplifier is known as multistage amplifier.
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(-3)⁴×2⁵/2³×(-3)²
=81×32/8×9
=2592/72
=36 is first ans
3^2a×3^4a×3^-a
=3^ 2a+4a+(-a)
= 3^ 5a is final ans [ ^=raise to ]
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