Q- if x=2 & x = 0 are zeros of the polynomial
2(x)^3- 5(x)^2 + ax + b, then find the value of
a & b
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Answer:
first x=2 then second x=0
f(x)= 2(8)-5(4)+2a+b =0 2(0)-5(0)+a(0)+b=0
16-20+2a+b=0 b=0
-4+2a+b=0 sub b=0 in 2a+b=0
2a+b=4
2a+0=0
a=0
the value of a anb b is zero
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