Question

(√2-√7)(√8+√7). multiply
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Answer 1

Answer:

899

Step-by-step explanation:

P^2+pa+q^2= (p+q)^2 -pq

pq=1

(P+q)^2 = (2*(√8^2+√7^2))^2 = 30^2

P^2+pa+q^2= (p+q)^2 -pq = 900 - 1= 899