Question

rationalize the denominator
2÷(root7+root5)
​

Answer 1

$\small \bf \blue{hey \: mate \: here \: is \: ur \: ans} \\ \\ \small \bf \blue{ \huge \: solution} \\ \\ \small \bf \blue{given \: that} \\ \\ \small \bf \blue{ \frac{2}{ \sqrt{7} + \sqrt{5} } } \\ \\ \small \bf \blue{ \underline{ \underline{step \: by \: step \: explaination}}} \\ \\ \small \bf \blue{ \underline{ \underline{rationalize \: tha \: denomenator}}} \\ \\ \small \bf \blue{ \frac{2( \sqrt{7} - \sqrt{5}) }{( \sqrt{7} + \sqrt{5} )( \sqrt{7} - \sqrt{5} ) } } \\ \\ \small \bf \blue{ \frac{2( \sqrt{7} - \sqrt{5} ) }{( { \sqrt{7)} }^{2} - ( { \sqrt{5} )}^{2} } } \\ \\ \small \bf \blue{ \frac{2( \sqrt{7} - \sqrt{5} )}{7 - 5} } \\ \\ \small \bf \blue{ \frac{2( \sqrt{7} - \sqrt{5} )}{2} } \\ \\ \small \bf \blue{ \sqrt{7} - \sqrt{5} \: \: ans}$

Answer 2

Answer:

im trying to find the answer but the q im writing has - sign instead of + can you help me solve it?

Step-by-step explanation: