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3 years ago

Factorise -x^4 - (x-z)^4

1 answer:

4 0

\left[x _{4}\right] = \left[ \frac{z}{2}+i \,\sqrt{\frac{1}{2}}\,\sqrt{\left( \frac{3\,z^{2}}{2}+\sqrt{2}\,\sqrt{z^{4}}\right) }\right][x4]=[2z+i√21√(23z2+√2√z4)] totally answer

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Anyone know what this is I’m so confused

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Answer:

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Step-by-step explanation:

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3 years ago

Evaluate

Anvisha [2.4K]

Answer:

-1

Step-by-step explanation:

In many cases, the simplified expression is not undefined at the point of interest.

$\dfrac{\left(\dfrac{1}{\sqrt{x}}-1\right)}{\sqrt{x}-1}=\dfrac{\left(\dfrac{1-\sqrt{x}}{\sqrt{x}}\right)}{\sqrt{x}-1}=\dfrac{-1}{\sqrt{x}}$

This can be evaluated at x=1:

-1/√1 = -1

Then, the limit is ...

$\boxed{\lim\limits_{x\to 1}\dfrac{\left(\dfrac{1}{\sqrt{x}}-1\right)}{\sqrt{x}-1}=-1}$

A graph confirms this conclusion.

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3 years ago

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DanielleElmas [232]

Answer:

7.5 sq ft

Step-by-step explanation:

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3 years ago

Lines that intersect and form four right angles are called?

Serga [27]

Parallel lines are lines in a plane that are always the same distance apart. Parallel lines never intersect. Perpendicular lines are lines that intersect at a right (90 degrees) angle.

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3 years ago

Okay its another one please help meee im begging

WITCHER [35]

Answer:

3.5:5

Step-by-step explanation:

I'm not 100% sure, sorry... I hope this helps though :)

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3 years ago

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