Richi posted an Question
July 25, 2021 • 20:41 pm 30 points
  • IIT JAM
  • Biotechnology (BT)

Find the sum of tha values of'x' and 'y' satisfying the equation 3 the power x-4 to the powery=77 and 3 to the power x/2-2to the power y=7

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    Priyanshu kumar best-answer

    Putting x=4 and y=1 In first case (3^4 -4^1)=81-4=77 In second case ( 3^4/2 - 2^1)= 9-2=7 Thus sum of x and y= 4+1=5

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