5. solve an equation
1.p/7 = 4
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Answer:
Just replace p with (7−43–√)
Ok we have (7−43√)2+17(7−43√)=98−563√49−283√=9849=2
The trick here is to know the bionic theorem:
(a±b)2=a2±2ab+b2
(a+b)(a−b)=a2−b2
However:
(7−43√)2+17(7−43–√)=98−563√7(7−43–√)=194−1123–√
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Answer:
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Step-by-step explanation:
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