do questions no 9......
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Sum of roots, a + B = - b/a = 1
Product of roots, aB = c/a = - 4 / 1 = - 4
( a + B) / aB - aB
=> [1 / ( - 4) ] - ( - 4 )
=> ( - 1 / 4 ) + 4
=> ( - 1 + 16) / 4
=> 15 / 4
Product of roots, aB = c/a = - 4 / 1 = - 4
( a + B) / aB - aB
=> [1 / ( - 4) ] - ( - 4 )
=> ( - 1 / 4 ) + 4
=> ( - 1 + 16) / 4
=> 15 / 4
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12
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Step-by-step explanation:
Please see the attachment below.
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unnati2525:
thx
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