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AP EAMCET202315 May 2023Morning ShiftMathematicsTrigonometric Ratios & IdentitiesActual

If A= 24 , then A+ 3 A+ 5 A+ 7 A A+ 3 A+ 5 A+ 7 A =

Options

  1. A3
  2. B2 3
  3. C1 3
  4. D2 3

Correct answer

A. 3

Step-by-step solution

aligned & Let I= A+ 3 A+ 5 A+ 7 A A+ 3 A+ 5 A+ 7 A & I= ( A+ 7 A)+( 5 A+ 3 A) ( A+ 7 A)+( 5 A+ 3 A) & I= 4 A[2 3 A+2 A] 4 A[2 3 A+2 A] & I= 4 A= 6 = 3 aligned

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