a+b=7nd ab=12,find(a2+b2)
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Answered by
27
Hey !!
a + b = 7
and,
ab = 12
Therefore,
( a² + b² ) = ( a + b )² - 2ab
( a² + b²) = ( 7 )² - 2 × 12
( a² + b² ) = 49 - 24
( a² + b² ) = 25
a + b = 7
and,
ab = 12
Therefore,
( a² + b² ) = ( a + b )² - 2ab
( a² + b²) = ( 7 )² - 2 × 12
( a² + b² ) = 49 - 24
( a² + b² ) = 25
Answered by
2
the value of a2+b2 is 25..
hope it helps u...
hope it helps u...
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