1/ sqrt(w) + sqrt(z)
multiply and divide by sqrt(w) - sqrt(z)
you will get
sqrt(w) - sqrt(z)/ w-z
if the order is like this
(1/â(w)) + â(z)
= (1/â(w))(âw/âw) + â(z)
= (âw)/w + âz
1/(âw + âz) multiplied by (w - âz)/(w - âz)
= (âw - âz)/ (âw + âz)(âw - âz)
= (âw - âz)/(w - â(zw) + â(zw) – z)
= (âw - âz)/(w – z)
1 sq rt w- sq rt z sq rt w - sq rt z
------------------------------------------------- ---------------------------------------
sq rt w + sq rt z sq rt w - sq rt z w-z
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Verified answer
1/ sqrt(w) + sqrt(z)
multiply and divide by sqrt(w) - sqrt(z)
you will get
sqrt(w) - sqrt(z)/ w-z
if the order is like this
(1/â(w)) + â(z)
= (1/â(w))(âw/âw) + â(z)
= (âw)/w + âz
if the order is like this
1/(âw + âz) multiplied by (w - âz)/(w - âz)
= (âw - âz)/ (âw + âz)(âw - âz)
= (âw - âz)/(w - â(zw) + â(zw) – z)
= (âw - âz)/(w – z)
1 sq rt w- sq rt z sq rt w - sq rt z
------------------------------------------------- ---------------------------------------
sq rt w + sq rt z sq rt w - sq rt z w-z