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4^x + 4^x + 4^x + 4^x + 4^x + 4^x + 4^x + 4^x = 1 / 512
=> 8 × 4^x = 1/512
=> 4^x = 1 / 8 × 8 × 8 × 8
=> 4^x = 1/ 4 × 4 × 4 × 4 × 4 × 4
=> 4^x = 4^(-6)
=> x = - 6
Now,
-3 / x = - 3 / (-6)
= 3 / 6
= 1/ 2
=> 8 × 4^x = 1/512
=> 4^x = 1 / 8 × 8 × 8 × 8
=> 4^x = 1/ 4 × 4 × 4 × 4 × 4 × 4
=> 4^x = 4^(-6)
=> x = - 6
Now,
-3 / x = - 3 / (-6)
= 3 / 6
= 1/ 2
PRIYAMGUPTin:
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here is my answere....
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