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Mathematics 54 Online
OpenStudy (anonymous):

sqrtc-sqrtd/sqrtc+sqrtd

OpenStudy (anonymous):

wtp?

OpenStudy (akshay_budhkar):

lol satellite

OpenStudy (akshay_budhkar):

u probably want to rationalize the denominator?

OpenStudy (anonymous):

\[\frac{\sqrt{c}-\sqrt{d}}{\sqrt{c}+\sqrt{d}}\]

OpenStudy (akshay_budhkar):

\[(\sqrt c-\sqrt d)/(\sqrt c+\sqrt d)=(\sqrt c-\sqrt d)(\sqrt c-\sqrt d)/(\sqrt c-\sqrt d)(\sqrt c+\sqrt d)\]

OpenStudy (anonymous):

\[\frac{\sqrt{c}-\sqrt{d}}{\sqrt{c}+\sqrt{d}}\times \frac{\sqrt{c}-\sqrt{d}}{\sqrt{c}-\sqrt{d}}\] \[\frac{\sqrt{c}-\sqrt{d})^2}{c-d}\]

OpenStudy (akshay_budhkar):

therefore you have\[(\sqrt c-\sqrt d)^2 \over c-d\]

OpenStudy (akshay_budhkar):

u missed a bracket satellite :P

OpenStudy (anonymous):

what akshay said

OpenStudy (anonymous):

all right wise gut \[\frac{(\sqrt{c}-\sqrt{d})^2}{c-d}\]

OpenStudy (akshay_budhkar):

therefore ur final answer is \[c - 2 \sqrt c \sqrt d + d \over c-d\]

OpenStudy (anonymous):

|dw:1328147495943:dw|

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