X4-32-288 - Find -x- if x - R- x-0 - Ans-

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Quantitative Aptitude

Solving Inequalities

x4+32=288 . F...

Question

$x^{4}$ +32 = 288. Find ‘-x’ (if x $ϵ$ R, x < 0). Ans.______________.

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Solution

$(x + 4) (x - 4) (x^{2} + 16) = 0$

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Similar questions

If $(1 - x) (1 + x + x^{2} + x^{3} + x^{4})$ is $\frac{31}{32}$ and $x$ is a rational number. Find the value of $1 + x + x^{2} + x^{3} + x^{4} + x^{5}$ .

Q. If

(x - 2 y + 3)^{2} + (x + 2 y - 3)^{2} = 0

. Find

x - 6 y

Q. If

3 f (x) - f (\frac{1}{x}) = {log}_{e} x^{4}

for

x > 0

; find

f (e^{x})

Q. If

x

is a rational number satisfying

(1 - x) (1 + x + x^{2} + x^{3} + x^{4})

= \frac{31}{32} .

Then

1 + x + x^{2} + x^{3} + x^{4} + x^{5}

Q. If

x - \frac{1}{x} = 2

, find

x^{4} + \frac{1}{x^{4}}

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x4+32 = 288. Find ‘-x’ (if x ϵR, x < 0). Ans.______________.

(x+4)(x−4)(x2+16) = 0

$x^{4}$ +32 = 288. Find ‘-x’ (if x $ϵ$ R, x < 0). Ans.______________.

$(x + 4) (x - 4) (x^{2} + 16) = 0$