Please give me the answers of circle questions

$If a^{2} + b^{2} = 13 and ab = 6, find (i) a + b (ii) a - b .$

Question

Please give me the answers of circle questions

If   a 2 + b 2 = 13   and   ab   = 6 ,  
find   ( i )   a + b   ( ii )   a - b

Vikas Mahala · Accepted Answer

Dear Student
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Please give me the answers of circle questions If a 2 + b 2 = 13 and ab = 6 , find ( i ) a + b ( ii ) a - b .