15. If aB are the zeros of the polynomial 2x - 4x + 5 find the value of a) a +B? b)(a - B)
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a ad b are the zeroes of the polynomial- 0x²+2x-4+5=0 or 0x²-2x+5=0
a+b= -b/a= 2/0= ∞
a+b=∞
b=∞-a
a-b (eq 2)
substituting b value in eq 2 we get
a-(∞-a)=2a-∞
Step-by-step explanation:
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