If a-b=12,ab=14.find a^2+ab+b^2
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a2+b2+ab Given is a-b=12 and ab=14
We have to find a2+b2.
(a-b) ^2 =a2+b2-2ab
12^2=a2+b2-2×14
144+28=a2+b2
a2+b2=172
Putting the values:
a2+b2+ab
172+14=186
Answer is:186
We have to find a2+b2.
(a-b) ^2 =a2+b2-2ab
12^2=a2+b2-2×14
144+28=a2+b2
a2+b2=172
Putting the values:
a2+b2+ab
172+14=186
Answer is:186
neelamkheribura:
thanks
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