Question

(ii) [(4)^-1 ]2 (5/8)^-1​

Answer 1

Answer:

$( {4}^{2} - 1)2( { \frac{5}{8} )}^{2} - 1 \\ (16 - 1 )\times 2( \frac{25}{64} ) - 1 \\ 15 \times 2( \frac{25 - 64}{64} ) \\ 25( \frac{ - 39}{64} ) \\ \\ 25 \times - 0.60 \\ - 15.23$

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