Evaluate
\sqrt{2}x^{2}+49
Differentiate w.r.t. x
2\sqrt{2}x
Graph
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2\times \frac{x\sqrt{2}}{\left(\sqrt{2}\right)^{2}}x+49
Rationalize the denominator of \frac{x}{\sqrt{2}} by multiplying numerator and denominator by \sqrt{2}.
2\times \frac{x\sqrt{2}}{2}x+49
The square of \sqrt{2} is 2.
x\sqrt{2}x+49
Cancel out 2 and 2.
x^{2}\sqrt{2}+49
Multiply x and x to get x^{2}.
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