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Factors of x2+ax+b are (x−7) and (x+9) then the value of a and b is
Factors of x2+ax+b are (x−7) and (x+9) then the value of a and b is
A
a=2,b=−63
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B
a=−2,b=63
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C
a=−2,b=−63
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D
a=2,b=63
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Solution
The correct option is A a=2,b=−63
p(x)=x2+ax+bp(x)=x2+ax+b
p(x)=x2+ax+bp(x)=x2+ax+b
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