Question

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Answer 1

25 / (√40 - √80) * (√40 + √80)/(√40+√80)

= 25(√40 + √80) / (√40)^2 - (√80)^2

= 25√40 + 25√80 / (40 - 80)

= 50√10 + 100√5 / (-40)

= (50 * 3.162) + (100 * 2.236) / -40

= 158.1 + 223.6 / -40

=381.7 / -40

= -9.5425

hope it will help you..............

Answer 2

Answer:

Step-by-step explanation:

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