Q4 (iii)??????????????????
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(2/9)⁴ × (2/9)-7 = (2/9)^2m+1
(2/9 )-³ = (2/9)^2m+1
therefore ,
=>2m+1 = -3
=> 2m = -4
=>m = -2
(2/9 )-³ = (2/9)^2m+1
therefore ,
=>2m+1 = -3
=> 2m = -4
=>m = -2
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