Plss solve this question third part
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Answers
Answered by
2
Answer:
322
Step-by-step explanation:
see the image for the steps if you don't understand something please feel free to ask
Attachments:
Answered by
1
Answer:
322
Step-by-step explanation:
p=(2-√5)/(2+√5)*(2-√5)/(2-√5)
=(2-√5)^2/4-5
=(4-4√5+5)/-1
=(9-4√5)/-1
=-9+4√5
q=(2+4√5)/(2-4√5)*(2+4√5)/(2+4√5)
=(4+4√5+5)/-1
=(9+4√5)/-1
=-9-4√5
p^2+q^2=(4√5-9)^2+(-4√5-9)^2
=16*5-72√5+81+16*5+72√5+81
=16*5*2+2*81
=16*10+162
=160+162
=322
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