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AP EAMCET20226 Jul 2022Evening ShiftMathematicsTrigonometric Ratios & IdentitiesActual

(4 ^2 9^ -3 ) (4 ^2 27^ -3 )=

Options

  1. A9^
  2. B9^
  3. C9^
  4. D9^

Correct answer

C. 9^

Step-by-step solution

aligned & (4 ^2 9^ -3 ) (4 ^2 27^ -3 ) &= 1 9^ (4 ^3 9^ -3 9^ ) 1 27^ & (4 ^3 27^ -3 27^ ) &= 1 9^ ( 27^ ) 1 27^ ( 81^ ) &= (90^ -9^ ) 9^ = 9^ 9^ = 9^ aligned

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