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The value of 42−3(8)23+(169)124^2-3(8)^{\frac23}+\left(\frac{16}9\right)^{\frac12} 42−3(8)32​+(916​)21​​is:
Question

The value of 423(8)23+(169)124^2-3(8)^{\frac23}+\left(\frac{16}9\right)^{\frac12} ​is:

A.

1

B.

0

C.

3133\frac{1}{3}​​

D.

5135\frac{1}{3}​​

Correct option is D

Given: 

423(8)23+(169)124^2-3(8)^{\frac23}+\left(\frac{16}9\right)^{\frac12}  

Solution: 

423(8)23+(169)12 =163(4)+43 =1612+43 =12+43 =163=5134^2-3(8)^{\frac23}+\left(\frac{16}9\right)^{\frac12} \\ \ \\ = 16-3(4)+\frac{4}3 \\ \ \\ = 16-12+\frac{4}3 \\ \ \\ =\frac{12+4}{3} \\ \ \\ = \frac{16}{3} = 5\frac13​​

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