Rationalize the denominator of 1/5-root7
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5
Answer:
√7
-----
5
Step-by-step explanation:
Question is 1/5 - √7
________________
= (1-√7)(5)
------------ ( multiplying 1 with 5 and √7 with 5)
5 × 5
= 5 - 5√7
----------- (taking out 5 as common)
25
= 5√7
-------- (cutting 25 by 5)
25
= √7
------
5
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