1)УПРОСТИТЕ 2)Вычислите

Question

1)УПРОСТИТЕ
2)Вычислите

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Answer 1

D^5*√d=d^5*d^1/2=d^5,5
(6^14/9*7^12/9)^9/42^12=(6^12*7^12)/(6*7)^12=(6^12*7^12)/(6^12*7^12)=6^0*7^0=1*1=1