if the zeroes of the quadratic polynomial x2+(a+1)x+b are 2and-3then find the value of a and b
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Answer:
x
2
+(a+1)x+b is the quadratic polynomial.
2 and −3 are the zeros of the quadratic polynomial.
Thus, 2+(−3)=
1
−(a+1)
=>
1
(a+1)
=1
=>a+1=1
=>a=0
Also, 2×(−3)=b
=>b=−6
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