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P(x) = x^(3) + 18 x - 30 has a zero in t...

P(x) = `x^(3) + 18 x - 30` has a zero in the interval

A

`(0,0.5)`

B

`(0.5 , 1)`

C

`(1,1.5)`

D

`(1.5 , 2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Plot the graph of `y = x^3 + 18 x - 30` in a [0,3] by [-5,5] window , and use CALC/zero to locate a zero at `x ~~ 1.48`
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  2. If cos 67^(@) = tan x^(@) , then x =

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