If p2 +q2 =252 and p + q =16,evaluate pq
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p+q= 16
p=16-q......i
p^2+q^2=252
(16-q) ^2 +q^2=252
(256+ q^2 -32q)+q2= 252
256 +2q^2 -32q=252
2q^2 -32q= 252-256
2q^2 - 32q = -4
2q^2 -32q +4=0
q=8+√62. case 1
q =8-√62. case2
case1 put in i
p=8-√62
case 2 put in i
p=8+√62
in any case
p*q= (8+√62)(8-√62)
=2
plz tell if write
p=16-q......i
p^2+q^2=252
(16-q) ^2 +q^2=252
(256+ q^2 -32q)+q2= 252
256 +2q^2 -32q=252
2q^2 -32q= 252-256
2q^2 - 32q = -4
2q^2 -32q +4=0
q=8+√62. case 1
q =8-√62. case2
case1 put in i
p=8-√62
case 2 put in i
p=8+√62
in any case
p*q= (8+√62)(8-√62)
=2
plz tell if write
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