Math, asked by harji5804, 1 month ago

expansion
if a²+b²=13and ab =6, find a+b;a-b;a²-b²; 3(a+b)-2(a-b)²

Answers

Answered by krishkgazta

0

Step-by-step explanation:

if a2+b²=13 and ab=6 a+b,a-b,a²-b²,3(a-b)²

Ans.= 9

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