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under root 33 is the answer
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HI MATE YOUR ANSWER IS HERE:
(a+b) = 9
squaring both of sides,
(a+b)^2 = 9^2
a^2 + b^2 + 2ab= 81
a^+b^2 = 81-2×12
a^2+b^2 = 81-24 = 57
a^2+b^2 = 57.......(1)
(a-b) = √(a-b)^2
= √a^2+b^2-2ab
putting the value of a^2+b^2 from equation (1),
(a-b)= √57-2×12=√57-24
(a-b) = √33
HOPE THIS HELPS YOU ✌️
a1p1:
welcome
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