4. Evaluate usimg Identities ..
(0.93)+(0.073)
(0.932 ) - (0.93 0.07)+(0072)
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Step-by-step explanation:
(0.93)³+(0.07)³/(0.93)²-(0.93×0.07)+(0.07)²
=(0.93+0.07)((0.93)²- (0.93×0.07) + (0.07)²)/(0.93)²- =(0.93×0.07)+(0.07)²
=0.93+0.07
=1
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