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प्रश्न
If `f(x)=2x^2-13x^2+17x+12` find `f-(3)`
उत्तर
We have
`f(x)=2x^2-13x^2+17x+12`
`f(-3)=2xx(-3)^3-13xx(-3)^2+xx(-3)+12`
`=2xx(-27)-13xx(9)+17xx(-13)+12`
`=-54-117-51+12=210`
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